[INFO] crate mrust 0.0.1 is already in cache
[INFO] testing mrust-0.0.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate mrust 0.0.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate mrust 0.0.1 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 mrust 0.0.1
[INFO] finished tweaking crates.io crate mrust 0.0.1
[INFO] tweaked toml for crates.io crate mrust 0.0.1 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] bcffa9a3bbcfc6250ff8e3749306a5cc539581fc77939bd2380a6fc328cd6d62
[INFO] running `"docker" "start" "-a" "bcffa9a3bbcfc6250ff8e3749306a5cc539581fc77939bd2380a6fc328cd6d62"`
[INFO] [stderr]    Compiling mrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/types.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     value: u32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `"docker" "inspect" "bcffa9a3bbcfc6250ff8e3749306a5cc539581fc77939bd2380a6fc328cd6d62"`
[INFO] running `"docker" "rm" "-f" "bcffa9a3bbcfc6250ff8e3749306a5cc539581fc77939bd2380a6fc328cd6d62"`
[INFO] [stdout] bcffa9a3bbcfc6250ff8e3749306a5cc539581fc77939bd2380a6fc328cd6d62
[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] 05389e2249411e29ffa7565c112c966023b7ff8d66a146702912417a5d931672
[INFO] running `"docker" "start" "-a" "05389e2249411e29ffa7565c112c966023b7ff8d66a146702912417a5d931672"`
[INFO] [stderr]    Compiling mrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `value`
[INFO] [stderr]  --> src/types.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     value: u32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "05389e2249411e29ffa7565c112c966023b7ff8d66a146702912417a5d931672"`
[INFO] running `"docker" "rm" "-f" "05389e2249411e29ffa7565c112c966023b7ff8d66a146702912417a5d931672"`
[INFO] [stdout] 05389e2249411e29ffa7565c112c966023b7ff8d66a146702912417a5d931672
[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] 08f7841fe319c8dd39e55747f00d95d07336118d7fbd84cc42982a721e02ffea
[INFO] running `"docker" "start" "-a" "08f7841fe319c8dd39e55747f00d95d07336118d7fbd84cc42982a721e02ffea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrust-7970afd4f7dac962
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test utils::tests::it_adds_one ... ok
[INFO] [stdout] test utils::tests::it_reduces_one ... 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 mrust
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/utils.rs - utils::fns::minus_one (line 19) ... ok
[INFO] [stdout] test src/utils.rs - utils::fns::plus_one (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08f7841fe319c8dd39e55747f00d95d07336118d7fbd84cc42982a721e02ffea"`
[INFO] running `"docker" "rm" "-f" "08f7841fe319c8dd39e55747f00d95d07336118d7fbd84cc42982a721e02ffea"`
[INFO] [stdout] 08f7841fe319c8dd39e55747f00d95d07336118d7fbd84cc42982a721e02ffea