[INFO] crate mscorlib_safe_derive 0.1.3 is already in cache
[INFO] testing mscorlib_safe_derive-0.1.3 against 1.38.0 for beta-1.39-1
[INFO] extracting crate mscorlib_safe_derive 0.1.3 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate mscorlib_safe_derive 0.1.3 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mscorlib_safe_derive 0.1.3
[INFO] finished tweaking crates.io crate mscorlib_safe_derive 0.1.3
[INFO] tweaked toml for crates.io crate mscorlib_safe_derive 0.1.3 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 3ba57affa1e5536c814aa5865c9a5776e3e06946215624e6ab32b98bf93eed62
[INFO] running `"docker" "start" "-a" "3ba57affa1e5536c814aa5865c9a5776e3e06946215624e6ab32b98bf93eed62"`
[INFO] [stderr]    Compiling mscorlib_safe_derive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut expanded = quote! {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "3ba57affa1e5536c814aa5865c9a5776e3e06946215624e6ab32b98bf93eed62"`
[INFO] running `"docker" "rm" "-f" "3ba57affa1e5536c814aa5865c9a5776e3e06946215624e6ab32b98bf93eed62"`
[INFO] [stdout] 3ba57affa1e5536c814aa5865c9a5776e3e06946215624e6ab32b98bf93eed62
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dff713be28ca953c7056c61c416a26a634d205bc8d56c53d15059d8beee7a8a9
[INFO] running `"docker" "start" "-a" "dff713be28ca953c7056c61c416a26a634d205bc8d56c53d15059d8beee7a8a9"`
[INFO] [stderr]    Compiling mscorlib_safe_derive v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let mut expanded = quote! {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "dff713be28ca953c7056c61c416a26a634d205bc8d56c53d15059d8beee7a8a9"`
[INFO] running `"docker" "rm" "-f" "dff713be28ca953c7056c61c416a26a634d205bc8d56c53d15059d8beee7a8a9"`
[INFO] [stdout] dff713be28ca953c7056c61c416a26a634d205bc8d56c53d15059d8beee7a8a9
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ac0f130e4a0572152fd34159a401d895513df7969b9c89e9ee4a72521aaf4fc8
[INFO] running `"docker" "start" "-a" "ac0f130e4a0572152fd34159a401d895513df7969b9c89e9ee4a72521aaf4fc8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mscorlib_safe_derive-9c741e6b891592db
[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 mscorlib_safe_derive
[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" "ac0f130e4a0572152fd34159a401d895513df7969b9c89e9ee4a72521aaf4fc8"`
[INFO] running `"docker" "rm" "-f" "ac0f130e4a0572152fd34159a401d895513df7969b9c89e9ee4a72521aaf4fc8"`
[INFO] [stdout] ac0f130e4a0572152fd34159a401d895513df7969b9c89e9ee4a72521aaf4fc8