[INFO] updating cached repository https://github.com/awoimbee-42/computor-v1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/awoimbee-42/computor-v1
[INFO] [stderr]    51e6924..edd21aa  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edd21aa59f8681b5cacf03372ad233979d99e631
[INFO] testing awoimbee-42/computor-v1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawoimbee-42%2Fcomputor-v1" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awoimbee-42/computor-v1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/awoimbee-42/computor-v1
[INFO] finished tweaking git repo https://github.com/awoimbee-42/computor-v1
[INFO] tweaked toml for git repo https://github.com/awoimbee-42/computor-v1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/awoimbee-42/computor-v1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de9134885ec4c04070c1704d6f0bbffd019b1c808f8f1518453f5c6abe35e202
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de9134885ec4c04070c1704d6f0bbffd019b1c808f8f1518453f5c6abe35e202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9134885ec4c04070c1704d6f0bbffd019b1c808f8f1518453f5c6abe35e202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9134885ec4c04070c1704d6f0bbffd019b1c808f8f1518453f5c6abe35e202", kill_on_drop: false }`
[INFO] [stdout] de9134885ec4c04070c1704d6f0bbffd019b1c808f8f1518453f5c6abe35e202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736be5f04d672be6cb9c694fb40b7260255207cf90e1e95351fbd11c04352a17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "736be5f04d672be6cb9c694fb40b7260255207cf90e1e95351fbd11c04352a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling dirs-next v1.0.1
[INFO] [stderr]    Compiling rustyline v6.2.0
[INFO] [stderr]    Compiling computor-v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::operators::*`
[INFO] [stdout]    --> src/types/expr.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | use super::operators::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/types/value/var.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn try_mul(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:236:22
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn try_mul(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn try_mul(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:261:22
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn try_div(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:267:22
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn try_div(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn try_div(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn try_pow(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:298:22
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn try_pow(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:304:22
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn try_pow(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/expr.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Self::Term(t) => uniq_resolve!(self, t),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/factor.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Value(v) => return uniq_resolve!(self, v),
[INFO] [stdout]    |                                      ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/term.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::Factor(v) => uniq_resolve!(self, v),
[INFO] [stdout]    |                                ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/value/mod.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Self::Expr(e) => uniq_resolve!(self, e),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simplify`
[INFO] [stdout]   --> src/types/value/var.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn simplify(self) -> Value {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vars`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vars: HashMap<String, Num>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     funs: HashMap<String, Expr>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.75s
[INFO] running `Command { std: "docker" "inspect" "736be5f04d672be6cb9c694fb40b7260255207cf90e1e95351fbd11c04352a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736be5f04d672be6cb9c694fb40b7260255207cf90e1e95351fbd11c04352a17", kill_on_drop: false }`
[INFO] [stdout] 736be5f04d672be6cb9c694fb40b7260255207cf90e1e95351fbd11c04352a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b0b1be206d48d0fde45a956fa6d54d4e2fce6bfa7a966afbe15e33f93bd5c15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b0b1be206d48d0fde45a956fa6d54d4e2fce6bfa7a966afbe15e33f93bd5c15", kill_on_drop: false }`
[INFO] [stderr]    Compiling computor-v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::operators::*`
[INFO] [stdout]    --> src/types/expr.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | use super::operators::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/types/value/var.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn try_mul(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:236:22
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn try_mul(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn try_mul(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:261:22
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn try_div(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:267:22
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn try_div(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn try_div(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn try_pow(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:298:22
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn try_pow(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:304:22
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn try_pow(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/expr.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Self::Term(t) => uniq_resolve!(self, t),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/factor.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Value(v) => return uniq_resolve!(self, v),
[INFO] [stdout]    |                                      ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/term.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::Factor(v) => uniq_resolve!(self, v),
[INFO] [stdout]    |                                ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/value/mod.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Self::Expr(e) => uniq_resolve!(self, e),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simplify`
[INFO] [stdout]   --> src/types/value/var.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn simplify(self) -> Value {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vars`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vars: HashMap<String, Num>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     funs: HashMap<String, Expr>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::operators::*`
[INFO] [stdout]    --> src/types/expr.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | use super::operators::*;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops`
[INFO] [stdout]  --> src/types/value/var.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     fn try_mul(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:236:22
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn try_mul(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:242:22
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn try_mul(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:261:22
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn try_div(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:267:22
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn try_div(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:273:22
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn try_div(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:292:22
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn try_pow(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:298:22
[INFO] [stdout]     |
[INFO] [stdout] 298 |     fn try_pow(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/types/expr.rs:304:22
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn try_pow(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/expr.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |             Self::Term(t) => uniq_resolve!(self, t),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/factor.rs:33:38
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Self::Value(v) => return uniq_resolve!(self, v),
[INFO] [stdout]    |                                      ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/term.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::Factor(v) => uniq_resolve!(self, v),
[INFO] [stdout]    |                                ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/types/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut opt_v = $value.resolve();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/types/value/mod.rs:37:30
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Self::Expr(e) => uniq_resolve!(self, e),
[INFO] [stdout]    |                              ---------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `simplify`
[INFO] [stdout]   --> src/types/value/var.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn simplify(self) -> Value {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vars`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     vars: HashMap<String, Num>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `funs`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     funs: HashMap<String, Expr>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "1b0b1be206d48d0fde45a956fa6d54d4e2fce6bfa7a966afbe15e33f93bd5c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0b1be206d48d0fde45a956fa6d54d4e2fce6bfa7a966afbe15e33f93bd5c15", kill_on_drop: false }`
[INFO] [stdout] 1b0b1be206d48d0fde45a956fa6d54d4e2fce6bfa7a966afbe15e33f93bd5c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81025a52056ded544e86fb4827173893ef69ba2a7ca4ccf02550a9e1503751e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "81025a52056ded544e86fb4827173893ef69ba2a7ca4ccf02550a9e1503751e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::operators::*`
[INFO] [stderr]    --> src/types/expr.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | use super::operators::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]  --> src/types/value/var.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:230:22
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn try_mul(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:236:22
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn try_mul(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:242:22
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn try_mul(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:261:22
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn try_div(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:267:22
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn try_div(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:273:22
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn try_div(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn try_pow(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:298:22
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn try_pow(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:304:22
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn try_pow(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/expr.rs:92:30
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Self::Term(t) => uniq_resolve!(self, t),
[INFO] [stderr]    |                              ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/factor.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Self::Value(v) => return uniq_resolve!(self, v),
[INFO] [stderr]    |                                      ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/term.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Self::Factor(v) => uniq_resolve!(self, v),
[INFO] [stderr]    |                                ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/value/mod.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Self::Expr(e) => uniq_resolve!(self, e),
[INFO] [stderr]    |                              ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `simplify`
[INFO] [stderr]   --> src/types/value/var.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn simplify(self) -> Value {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vars`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vars: HashMap<String, Num>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `funs`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     funs: HashMap<String, Expr>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::operators::*`
[INFO] [stderr]    --> src/types/expr.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 | use super::operators::*;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops`
[INFO] [stderr]  --> src/types/value/var.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::ops;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:230:22
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn try_mul(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:236:22
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn try_mul(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:242:22
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn try_mul(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:261:22
[INFO] [stderr]     |
[INFO] [stderr] 261 |     fn try_div(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:267:22
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn try_div(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:273:22
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn try_div(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |     fn try_pow(self, rhs: Expr) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:298:22
[INFO] [stderr]     |
[INFO] [stderr] 298 |     fn try_pow(self, rhs: Var) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/types/expr.rs:304:22
[INFO] [stderr]     |
[INFO] [stderr] 304 |     fn try_pow(self, rhs: Num) -> Option<Self::Output> {
[INFO] [stderr]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/expr.rs:92:30
[INFO] [stderr]    |
[INFO] [stderr] 92 |             Self::Term(t) => uniq_resolve!(self, t),
[INFO] [stderr]    |                              ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/factor.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |             Self::Value(v) => return uniq_resolve!(self, v),
[INFO] [stderr]    |                                      ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/term.rs:34:32
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Self::Factor(v) => uniq_resolve!(self, v),
[INFO] [stderr]    |                                ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/types/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut opt_v = $value.resolve();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/types/value/mod.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Self::Expr(e) => uniq_resolve!(self, e),
[INFO] [stderr]    |                              ---------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `simplify`
[INFO] [stderr]   --> src/types/value/var.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn simplify(self) -> Value {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `vars`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     vars: HashMap<String, Num>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `funs`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     funs: HashMap<String, Expr>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lcomputor-88cfb51e7443d5cc
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test types::value::num::real::tests::test_gcd ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bcomputor-71ff0c671fdfd6ae
[INFO] [stdout] test types::value::num::real::tests::test_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lcomputor
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "81025a52056ded544e86fb4827173893ef69ba2a7ca4ccf02550a9e1503751e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81025a52056ded544e86fb4827173893ef69ba2a7ca4ccf02550a9e1503751e2", kill_on_drop: false }`
[INFO] [stdout] 81025a52056ded544e86fb4827173893ef69ba2a7ca4ccf02550a9e1503751e2