[INFO] fetching crate buffered_logger 1.2.0...
[INFO] testing buffered_logger-1.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate buffered_logger 1.2.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate buffered_logger 1.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffered_logger 1.2.0
[INFO] finished tweaking crates.io crate buffered_logger 1.2.0
[INFO] tweaked toml for crates.io crate buffered_logger 1.2.0 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate buffered_logger 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 002075ae49fce44ab17d6befd1d933adf879a3d2340cffcbeee49584745db25d
[INFO] running `Command { std: "docker" "start" "-a" "002075ae49fce44ab17d6befd1d933adf879a3d2340cffcbeee49584745db25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "002075ae49fce44ab17d6befd1d933adf879a3d2340cffcbeee49584745db25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002075ae49fce44ab17d6befd1d933adf879a3d2340cffcbeee49584745db25d", kill_on_drop: false }`
[INFO] [stdout] 002075ae49fce44ab17d6befd1d933adf879a3d2340cffcbeee49584745db25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cb5f8641ccd603d5ba1ec1f8297cdfeae127aa2b285cf485cbcd5cc42cb94ac
[INFO] running `Command { std: "docker" "start" "-a" "0cb5f8641ccd603d5ba1ec1f8297cdfeae127aa2b285cf485cbcd5cc42cb94ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling buffered_logger v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "0cb5f8641ccd603d5ba1ec1f8297cdfeae127aa2b285cf485cbcd5cc42cb94ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb5f8641ccd603d5ba1ec1f8297cdfeae127aa2b285cf485cbcd5cc42cb94ac", kill_on_drop: false }`
[INFO] [stdout] 0cb5f8641ccd603d5ba1ec1f8297cdfeae127aa2b285cf485cbcd5cc42cb94ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726554f1f383d5eb31c6e2aa03b56bd01d4e1b158e285c305ed0b2a347aa7915
[INFO] running `Command { std: "docker" "start" "-a" "726554f1f383d5eb31c6e2aa03b56bd01d4e1b158e285c305ed0b2a347aa7915", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffered_logger v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "726554f1f383d5eb31c6e2aa03b56bd01d4e1b158e285c305ed0b2a347aa7915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726554f1f383d5eb31c6e2aa03b56bd01d4e1b158e285c305ed0b2a347aa7915", kill_on_drop: false }`
[INFO] [stdout] 726554f1f383d5eb31c6e2aa03b56bd01d4e1b158e285c305ed0b2a347aa7915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46845061c34827bd9a81128548232823f7358e2cb36e40707b22d19eaccb919e
[INFO] running `Command { std: "docker" "start" "-a" "46845061c34827bd9a81128548232823f7358e2cb36e40707b22d19eaccb919e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buffered_logger-1475b26db11c16e6)
[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/buffered_logger-0ffdd034c9ebaf88)
[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]    Doc-tests buffered_logger
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Logger::init (line 85) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46845061c34827bd9a81128548232823f7358e2cb36e40707b22d19eaccb919e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46845061c34827bd9a81128548232823f7358e2cb36e40707b22d19eaccb919e", kill_on_drop: false }`
[INFO] [stdout] 46845061c34827bd9a81128548232823f7358e2cb36e40707b22d19eaccb919e