[INFO] fetching crate mp3-folder-rename 0.1.0...
[INFO] testing mp3-folder-rename-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate mp3-folder-rename 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mp3-folder-rename 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mp3-folder-rename 0.1.0
[INFO] finished tweaking crates.io crate mp3-folder-rename 0.1.0
[INFO] tweaked toml for crates.io crate mp3-folder-rename 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mp3-folder-rename 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded clogger v0.1.0
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded id3 v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8597cf1aef4254af1fa7c8e29938414ce26f9170eadb7765eacdaa0d0b20867
[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" "a8597cf1aef4254af1fa7c8e29938414ce26f9170eadb7765eacdaa0d0b20867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8597cf1aef4254af1fa7c8e29938414ce26f9170eadb7765eacdaa0d0b20867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8597cf1aef4254af1fa7c8e29938414ce26f9170eadb7765eacdaa0d0b20867", kill_on_drop: false }`
[INFO] [stdout] a8597cf1aef4254af1fa7c8e29938414ce26f9170eadb7765eacdaa0d0b20867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 272301d194aae26342ba6cf1bc1b3c9da7a35ee47c4481276672666129f94c62
[INFO] running `Command { std: "docker" "start" "-a" "272301d194aae26342ba6cf1bc1b3c9da7a35ee47c4481276672666129f94c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling clogger v0.1.0
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling id3 v0.5.1
[INFO] [stderr]    Compiling mp3-folder-rename v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.06s
[INFO] running `Command { std: "docker" "inspect" "272301d194aae26342ba6cf1bc1b3c9da7a35ee47c4481276672666129f94c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272301d194aae26342ba6cf1bc1b3c9da7a35ee47c4481276672666129f94c62", kill_on_drop: false }`
[INFO] [stdout] 272301d194aae26342ba6cf1bc1b3c9da7a35ee47c4481276672666129f94c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] fe6714ff6dad37ef2f2db5e2f2ab7b8041949f0981c1cf34b2edf4e23e5b37e9
[INFO] running `Command { std: "docker" "start" "-a" "fe6714ff6dad37ef2f2db5e2f2ab7b8041949f0981c1cf34b2edf4e23e5b37e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp3-folder-rename v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "fe6714ff6dad37ef2f2db5e2f2ab7b8041949f0981c1cf34b2edf4e23e5b37e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6714ff6dad37ef2f2db5e2f2ab7b8041949f0981c1cf34b2edf4e23e5b37e9", kill_on_drop: false }`
[INFO] [stdout] fe6714ff6dad37ef2f2db5e2f2ab7b8041949f0981c1cf34b2edf4e23e5b37e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9be16e0302eeef17e40fa5c766e4c401030a3c9f619c575e99720c21258d78b2
[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" "9be16e0302eeef17e40fa5c766e4c401030a3c9f619c575e99720c21258d78b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mp3_folder_rename-46484fe7905eba97
[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" "9be16e0302eeef17e40fa5c766e4c401030a3c9f619c575e99720c21258d78b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be16e0302eeef17e40fa5c766e4c401030a3c9f619c575e99720c21258d78b2", kill_on_drop: false }`
[INFO] [stdout] 9be16e0302eeef17e40fa5c766e4c401030a3c9f619c575e99720c21258d78b2