[INFO] crate abstract-calculus 0.1.5 is already in cache
[INFO] testing abstract-calculus-0.1.5 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate abstract-calculus 0.1.5 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate abstract-calculus 0.1.5 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate abstract-calculus 0.1.5
[INFO] finished tweaking crates.io crate abstract-calculus 0.1.5
[INFO] tweaked toml for crates.io crate abstract-calculus 0.1.5 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 94129385dec1c7453443ec2a7f2fc6ef683d53955627971758c9da8d9b8f622f
[INFO] running `"docker" "start" "-a" "94129385dec1c7453443ec2a7f2fc6ef683d53955627971758c9da8d9b8f622f"`
[INFO] [stderr]    Compiling abstract-calculus v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:208:37
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   let mut name = nam.clone().to_vec();
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:441:25
[INFO] [stderr]     |
[INFO] [stderr] 441 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:208:37
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   let mut name = nam.clone().to_vec();
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:441:25
[INFO] [stderr]     |
[INFO] [stderr] 441 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "94129385dec1c7453443ec2a7f2fc6ef683d53955627971758c9da8d9b8f622f"`
[INFO] running `"docker" "rm" "-f" "94129385dec1c7453443ec2a7f2fc6ef683d53955627971758c9da8d9b8f622f"`
[INFO] [stdout] 94129385dec1c7453443ec2a7f2fc6ef683d53955627971758c9da8d9b8f622f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 71c256545f10eac3907bfbcfa1a6e5481135c5dad3ed50c23b4cb04d447495fd
[INFO] running `"docker" "start" "-a" "71c256545f10eac3907bfbcfa1a6e5481135c5dad3ed50c23b4cb04d447495fd"`
[INFO] [stderr]    Compiling abstract-calculus v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:208:37
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   let mut name = nam.clone().to_vec();
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:208:37
[INFO] [stderr]     |
[INFO] [stderr] 208 | ...                   let mut name = nam.clone().to_vec();
[INFO] [stderr]     |                           ----^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:441:25
[INFO] [stderr]     |
[INFO] [stderr] 441 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/term.rs:441:25
[INFO] [stderr]     |
[INFO] [stderr] 441 |                     let mut lam = Lam{nam: nam, bod: Box::new(bod)};
[INFO] [stderr]     |                         ----^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "71c256545f10eac3907bfbcfa1a6e5481135c5dad3ed50c23b4cb04d447495fd"`
[INFO] running `"docker" "rm" "-f" "71c256545f10eac3907bfbcfa1a6e5481135c5dad3ed50c23b4cb04d447495fd"`
[INFO] [stdout] 71c256545f10eac3907bfbcfa1a6e5481135c5dad3ed50c23b4cb04d447495fd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 6459f1b3721c757bead7a5a4d4a1f483deb6351f1fff1f47d7e5dd0e88f93ccb
[INFO] running `"docker" "start" "-a" "6459f1b3721c757bead7a5a4d4a1f483deb6351f1fff1f47d7e5dd0e88f93ccb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/absal-174640e8299c0f76
[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] [stderr]      Running /opt/rustwide/target/debug/deps/main-2ce68827abf06e8c
[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] [stderr]    Doc-tests absal
[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 `"docker" "inspect" "6459f1b3721c757bead7a5a4d4a1f483deb6351f1fff1f47d7e5dd0e88f93ccb"`
[INFO] running `"docker" "rm" "-f" "6459f1b3721c757bead7a5a4d4a1f483deb6351f1fff1f47d7e5dd0e88f93ccb"`
[INFO] [stdout] 6459f1b3721c757bead7a5a4d4a1f483deb6351f1fff1f47d7e5dd0e88f93ccb