[INFO] cloning repository https://github.com/tomvanwoow/betadog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomvanwoow/betadog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvanwoow%2Fbetadog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvanwoow%2Fbetadog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88adc3d45cf05ba17892d0e16432159567b9bf7f
[INFO] checking tomvanwoow/betadog against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvanwoow%2Fbetadog" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomvanwoow/betadog on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomvanwoow/betadog
[INFO] finished tweaking git repo https://github.com/tomvanwoow/betadog
[INFO] tweaked toml for git repo https://github.com/tomvanwoow/betadog written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tomvanwoow/betadog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b960657fe955c319354ebda0ababb3bcd53a9e3956328e7e09379d36a362a08
[INFO] running `Command { std: "docker" "start" "-a" "2b960657fe955c319354ebda0ababb3bcd53a9e3956328e7e09379d36a362a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b960657fe955c319354ebda0ababb3bcd53a9e3956328e7e09379d36a362a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b960657fe955c319354ebda0ababb3bcd53a9e3956328e7e09379d36a362a08", kill_on_drop: false }`
[INFO] [stdout] 2b960657fe955c319354ebda0ababb3bcd53a9e3956328e7e09379d36a362a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eaa482de54608f05ff7d727dfa1fbd68411b0bcd819c293f86fca80c34156772
[INFO] running `Command { std: "docker" "start" "-a" "eaa482de54608f05ff7d727dfa1fbd68411b0bcd819c293f86fca80c34156772", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking betadog-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/betadog/eval.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::expr::{Const, Expr};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::eval::*`
[INFO] [stdout]   --> src/betadog/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use super::eval::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `betadog::eval`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use betadog::eval;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Expr`
[INFO] [stdout]  --> src/betadog/eval.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::expr::{Const, Expr};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `betadog::eval`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use betadog::eval;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_rat`
[INFO] [stdout]  --> src/betadog/eval.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn eval_rat(r: rat::Rat) -> Const {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_const`
[INFO] [stdout]   --> src/betadog/eval.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_const`
[INFO] [stdout]   --> src/betadog/eval.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn sub_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_const`
[INFO] [stdout]   --> src/betadog/eval.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn mul_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_const`
[INFO] [stdout]   --> src/betadog/eval.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn div_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `negate_const`
[INFO] [stdout]   --> src/betadog/eval.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn negate_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reciprocal_const`
[INFO] [stdout]   --> src/betadog/eval.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn reciprocal_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_infinity_const`
[INFO] [stdout]   --> src/betadog/eval.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn mul_infinity_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rat`
[INFO] [stdout]  --> src/betadog/expr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Rat(rat::Rat),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NegInf`
[INFO] [stdout]   --> src/betadog/expr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NegInf,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sin`
[INFO] [stdout]   --> src/betadog/expr.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Sin,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cos`
[INFO] [stdout]   --> src/betadog/expr.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Cos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tan`
[INFO] [stdout]   --> src/betadog/expr.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Tan,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ASin`
[INFO] [stdout]   --> src/betadog/expr.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     ASin,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACos`
[INFO] [stdout]   --> src/betadog/expr.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ACos,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ATan`
[INFO] [stdout]   --> src/betadog/expr.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ATan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Log`
[INFO] [stdout]   --> src/betadog/expr.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Log,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sqrt`
[INFO] [stdout]   --> src/betadog/expr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Sqrt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cbrt`
[INFO] [stdout]   --> src/betadog/expr.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Cbrt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Root`
[INFO] [stdout]   --> src/betadog/expr.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     Root,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/betadog/expr.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Func(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/betadog/expr.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Call(Func, Vec<Box<Expr>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eval_rat`
[INFO] [stdout]  --> src/betadog/eval.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn eval_rat(r: rat::Rat) -> Const {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_const`
[INFO] [stdout]   --> src/betadog/eval.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn add_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sub_const`
[INFO] [stdout]   --> src/betadog/eval.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn sub_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_const`
[INFO] [stdout]   --> src/betadog/eval.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn mul_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div_const`
[INFO] [stdout]   --> src/betadog/eval.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn div_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `negate_const`
[INFO] [stdout]   --> src/betadog/eval.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn negate_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reciprocal_const`
[INFO] [stdout]   --> src/betadog/eval.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn reciprocal_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mul_infinity_const`
[INFO] [stdout]   --> src/betadog/eval.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn mul_infinity_const(expr: Const) -> Const {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rat`
[INFO] [stdout]  --> src/betadog/expr.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Rat(rat::Rat),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NegInf`
[INFO] [stdout]   --> src/betadog/expr.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     NegInf,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sin`
[INFO] [stdout]   --> src/betadog/expr.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     Sin,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cos`
[INFO] [stdout]   --> src/betadog/expr.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Cos,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Tan`
[INFO] [stdout]   --> src/betadog/expr.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Tan,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ASin`
[INFO] [stdout]   --> src/betadog/expr.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     ASin,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACos`
[INFO] [stdout]   --> src/betadog/expr.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ACos,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ATan`
[INFO] [stdout]   --> src/betadog/expr.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ATan,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Log`
[INFO] [stdout]   --> src/betadog/expr.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     Log,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sqrt`
[INFO] [stdout]   --> src/betadog/expr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Sqrt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cbrt`
[INFO] [stdout]   --> src/betadog/expr.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Cbrt,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Root`
[INFO] [stdout]   --> src/betadog/expr.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     Root,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/betadog/expr.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     Func(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]    --> src/betadog/expr.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Call(Func, Vec<Box<Expr>>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "eaa482de54608f05ff7d727dfa1fbd68411b0bcd819c293f86fca80c34156772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa482de54608f05ff7d727dfa1fbd68411b0bcd819c293f86fca80c34156772", kill_on_drop: false }`
[INFO] [stdout] eaa482de54608f05ff7d727dfa1fbd68411b0bcd819c293f86fca80c34156772