[INFO] updating cached repository https://github.com/tomvanwoow/betadog
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88adc3d45cf05ba17892d0e16432159567b9bf7f
[INFO] checking tomvanwoow/betadog against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvanwoow%2Fbetadog" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomvanwoow/betadog on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tomvanwoow/betadog already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 87bb8eec683ffa7840e93d6691dabb89b53ca49d7c710ddbbc4be71c6fb84da3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "87bb8eec683ffa7840e93d6691dabb89b53ca49d7c710ddbbc4be71c6fb84da3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking betadog-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Expr`
[INFO] [stderr]  --> src/betadog/eval.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::expr::{Const, Expr};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `betadog::eval`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use betadog::eval;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Expr`
[INFO] [stderr]  --> src/betadog/eval.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::expr::{Const, Expr};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::eval::*`
[INFO] [stderr]   --> src/betadog/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use super::eval::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `betadog::eval`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use betadog::eval;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_rat`
[INFO] [stderr]  --> src/betadog/eval.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn eval_rat(r: rat::Rat) -> Const {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_const`
[INFO] [stderr]   --> src/betadog/eval.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn add_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_const`
[INFO] [stderr]   --> src/betadog/eval.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn sub_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_const`
[INFO] [stderr]   --> src/betadog/eval.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn mul_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `div_const`
[INFO] [stderr]   --> src/betadog/eval.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn div_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `negate_const`
[INFO] [stderr]   --> src/betadog/eval.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn negate_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reciprocal_const`
[INFO] [stderr]   --> src/betadog/eval.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn reciprocal_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_infinity_const`
[INFO] [stderr]   --> src/betadog/eval.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn mul_infinity_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rat`
[INFO] [stderr]  --> src/betadog/expr.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Rat(rat::Rat),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NegInf`
[INFO] [stderr]   --> src/betadog/expr.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NegInf,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sin`
[INFO] [stderr]   --> src/betadog/expr.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Sin,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cos`
[INFO] [stderr]   --> src/betadog/expr.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Cos,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tan`
[INFO] [stderr]   --> src/betadog/expr.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     Tan,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASin`
[INFO] [stderr]   --> src/betadog/expr.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     ASin,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ACos`
[INFO] [stderr]   --> src/betadog/expr.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     ACos,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ATan`
[INFO] [stderr]   --> src/betadog/expr.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ATan,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Log`
[INFO] [stderr]   --> src/betadog/expr.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Log,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sqrt`
[INFO] [stderr]   --> src/betadog/expr.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     Sqrt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cbrt`
[INFO] [stderr]   --> src/betadog/expr.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     Cbrt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Root`
[INFO] [stderr]   --> src/betadog/expr.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     Root,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/betadog/expr.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Func(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/betadog/expr.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     Call(Func, Vec<Box<Expr>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `eval_rat`
[INFO] [stderr]  --> src/betadog/eval.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn eval_rat(r: rat::Rat) -> Const {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_const`
[INFO] [stderr]   --> src/betadog/eval.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn add_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sub_const`
[INFO] [stderr]   --> src/betadog/eval.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn sub_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_const`
[INFO] [stderr]   --> src/betadog/eval.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn mul_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `div_const`
[INFO] [stderr]   --> src/betadog/eval.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn div_const(lhs: Const, rhs: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `negate_const`
[INFO] [stderr]   --> src/betadog/eval.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn negate_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reciprocal_const`
[INFO] [stderr]   --> src/betadog/eval.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn reciprocal_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mul_infinity_const`
[INFO] [stderr]   --> src/betadog/eval.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn mul_infinity_const(expr: Const) -> Const {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rat`
[INFO] [stderr]  --> src/betadog/expr.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Rat(rat::Rat),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NegInf`
[INFO] [stderr]   --> src/betadog/expr.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     NegInf,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sin`
[INFO] [stderr]   --> src/betadog/expr.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Sin,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cos`
[INFO] [stderr]   --> src/betadog/expr.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Cos,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Tan`
[INFO] [stderr]   --> src/betadog/expr.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     Tan,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASin`
[INFO] [stderr]   --> src/betadog/expr.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     ASin,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ACos`
[INFO] [stderr]   --> src/betadog/expr.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     ACos,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ATan`
[INFO] [stderr]   --> src/betadog/expr.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     ATan,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Log`
[INFO] [stderr]   --> src/betadog/expr.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Log,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sqrt`
[INFO] [stderr]   --> src/betadog/expr.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     Sqrt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cbrt`
[INFO] [stderr]   --> src/betadog/expr.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     Cbrt,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Root`
[INFO] [stderr]   --> src/betadog/expr.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     Root,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/betadog/expr.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     Func(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]    --> src/betadog/expr.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     Call(Func, Vec<Box<Expr>>),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "87bb8eec683ffa7840e93d6691dabb89b53ca49d7c710ddbbc4be71c6fb84da3"`
[INFO] running `"docker" "rm" "-f" "87bb8eec683ffa7840e93d6691dabb89b53ca49d7c710ddbbc4be71c6fb84da3"`
[INFO] [stdout] 87bb8eec683ffa7840e93d6691dabb89b53ca49d7c710ddbbc4be71c6fb84da3