[INFO] fetching crate bottomify 1.2.0...
[INFO] testing bottomify-1.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bottomify 1.2.0 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate bottomify 1.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bottomify 1.2.0
[INFO] finished tweaking crates.io crate bottomify 1.2.0
[INFO] tweaked toml for crates.io crate bottomify 1.2.0 written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate crates.io crate bottomify 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f5ac4577fe3fe2355712171eed127848acba6347a915cb8e91858ab35640a09
[INFO] running `Command { std: "docker" "start" "-a" "3f5ac4577fe3fe2355712171eed127848acba6347a915cb8e91858ab35640a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f5ac4577fe3fe2355712171eed127848acba6347a915cb8e91858ab35640a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5ac4577fe3fe2355712171eed127848acba6347a915cb8e91858ab35640a09", kill_on_drop: false }`
[INFO] [stdout] 3f5ac4577fe3fe2355712171eed127848acba6347a915cb8e91858ab35640a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd5ca5588bf16c0a7ae4cfde974721f93e0fc7d2bed8cd16794bd217409381b2
[INFO] running `Command { std: "docker" "start" "-a" "bd5ca5588bf16c0a7ae4cfde974721f93e0fc7d2bed8cd16794bd217409381b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling bottomify v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `Command { std: "docker" "inspect" "bd5ca5588bf16c0a7ae4cfde974721f93e0fc7d2bed8cd16794bd217409381b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5ca5588bf16c0a7ae4cfde974721f93e0fc7d2bed8cd16794bd217409381b2", kill_on_drop: false }`
[INFO] [stdout] bd5ca5588bf16c0a7ae4cfde974721f93e0fc7d2bed8cd16794bd217409381b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 436d13124e1b2fc0d740814d5d9e4fb6ca4cc91bf1766e290b0f2096258fbac9
[INFO] running `Command { std: "docker" "start" "-a" "436d13124e1b2fc0d740814d5d9e4fb6ca4cc91bf1766e290b0f2096258fbac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bottomify v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "436d13124e1b2fc0d740814d5d9e4fb6ca4cc91bf1766e290b0f2096258fbac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436d13124e1b2fc0d740814d5d9e4fb6ca4cc91bf1766e290b0f2096258fbac9", kill_on_drop: false }`
[INFO] [stdout] 436d13124e1b2fc0d740814d5d9e4fb6ca4cc91bf1766e290b0f2096258fbac9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b95cb9724d63db1f93b9ecb93bb07d54311803299350b3ef16096bdcea5fcf5
[INFO] running `Command { std: "docker" "start" "-a" "7b95cb9724d63db1f93b9ecb93bb07d54311803299350b3ef16096bdcea5fcf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bottomify-0998091402b6087b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test bottom::tests::test_byte_encode ... ok
[INFO] [stdout] test bottom::tests::test_char_decode ... ok
[INFO] [stdout] test bottom::tests::test_string_decode ... ok
[INFO] [stdout] test bottom::tests::test_string_encode ... ok
[INFO] [stdout] test bottom::tests::test_embedded_null_byte ... ok
[INFO] [stdout] test bottom::tests::test_unicode_string_decode ... ok
[INFO] [stdout] test bottom::tests::test_unicode_string_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bottomify-97e0d00f2aa3b711)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test bottom::tests::test_byte_encode ... ok
[INFO] [stdout] test bottom::tests::test_embedded_null_byte ... ok
[INFO] [stdout] test bottom::tests::test_unicode_string_decode ... ok
[INFO] [stdout] test bottom::tests::test_string_encode ... ok
[INFO] [stdout] test bottom::tests::test_char_decode ... ok
[INFO] [stdout] test bottom::tests::test_string_decode ... ok
[INFO] [stdout] test bottom::tests::test_unicode_string_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bottomify
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b95cb9724d63db1f93b9ecb93bb07d54311803299350b3ef16096bdcea5fcf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b95cb9724d63db1f93b9ecb93bb07d54311803299350b3ef16096bdcea5fcf5", kill_on_drop: false }`
[INFO] [stdout] 7b95cb9724d63db1f93b9ecb93bb07d54311803299350b3ef16096bdcea5fcf5