[INFO] cloning repository https://github.com/RodriFS/base64-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RodriFS/base64-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodriFS%2Fbase64-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodriFS%2Fbase64-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3c2e0b580f5d952d9b597c97b5014078130d97a
[INFO] testing RodriFS/base64-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRodriFS%2Fbase64-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RodriFS/base64-rs 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 git repo https://github.com/RodriFS/base64-rs
[INFO] finished tweaking git repo https://github.com/RodriFS/base64-rs
[INFO] tweaked toml for git repo https://github.com/RodriFS/base64-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/RodriFS/base64-rs 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d86a67037a5bd3c8cf1df14d80bc0635edc413d22b7edd3b390ded7aaf8c6a88
[INFO] running `Command { std: "docker" "start" "-a" "d86a67037a5bd3c8cf1df14d80bc0635edc413d22b7edd3b390ded7aaf8c6a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86a67037a5bd3c8cf1df14d80bc0635edc413d22b7edd3b390ded7aaf8c6a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86a67037a5bd3c8cf1df14d80bc0635edc413d22b7edd3b390ded7aaf8c6a88", kill_on_drop: false }`
[INFO] [stdout] d86a67037a5bd3c8cf1df14d80bc0635edc413d22b7edd3b390ded7aaf8c6a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c35898b87cb4b813ddbf49e6ed1afd10f2ed2d0c469aa484eb5f89bd4b59445a
[INFO] running `Command { std: "docker" "start" "-a" "c35898b87cb4b813ddbf49e6ed1afd10f2ed2d0c469aa484eb5f89bd4b59445a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling base64-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "c35898b87cb4b813ddbf49e6ed1afd10f2ed2d0c469aa484eb5f89bd4b59445a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35898b87cb4b813ddbf49e6ed1afd10f2ed2d0c469aa484eb5f89bd4b59445a", kill_on_drop: false }`
[INFO] [stdout] c35898b87cb4b813ddbf49e6ed1afd10f2ed2d0c469aa484eb5f89bd4b59445a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c05fe69226911978af942f3eeefd81824b433bb28d4054379d7cda6020ca7cef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c05fe69226911978af942f3eeefd81824b433bb28d4054379d7cda6020ca7cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling oorandom v11.1.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling base64-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.47s
[INFO] running `Command { std: "docker" "inspect" "c05fe69226911978af942f3eeefd81824b433bb28d4054379d7cda6020ca7cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c05fe69226911978af942f3eeefd81824b433bb28d4054379d7cda6020ca7cef", kill_on_drop: false }`
[INFO] [stdout] c05fe69226911978af942f3eeefd81824b433bb28d4054379d7cda6020ca7cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2b1a32d570a376e0a50614f219082dd820651ab14afab0b3617b04315a78eb4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b1a32d570a376e0a50614f219082dd820651ab14afab0b3617b04315a78eb4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/base64_rs-a8635afe41379440)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-061c488e6140f840)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests base64-rs
[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] [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" "2b1a32d570a376e0a50614f219082dd820651ab14afab0b3617b04315a78eb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1a32d570a376e0a50614f219082dd820651ab14afab0b3617b04315a78eb4c", kill_on_drop: false }`
[INFO] [stdout] 2b1a32d570a376e0a50614f219082dd820651ab14afab0b3617b04315a78eb4c