[INFO] fetching crate bare-metrics-reader 0.1.0...
[INFO] testing bare-metrics-reader-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate bare-metrics-reader 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate bare-metrics-reader 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bare-metrics-reader 0.1.0
[INFO] finished tweaking crates.io crate bare-metrics-reader 0.1.0
[INFO] tweaked toml for crates.io crate bare-metrics-reader 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdrhistogram v7.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9c70a76d9e3bdd0b220d0374e4d10956b6a8a6ca6ee50536655fdea90be4083
[INFO] running `Command { std: "docker" "start" "-a" "e9c70a76d9e3bdd0b220d0374e4d10956b6a8a6ca6ee50536655fdea90be4083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c70a76d9e3bdd0b220d0374e4d10956b6a8a6ca6ee50536655fdea90be4083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c70a76d9e3bdd0b220d0374e4d10956b6a8a6ca6ee50536655fdea90be4083", kill_on_drop: false }`
[INFO] [stdout] e9c70a76d9e3bdd0b220d0374e4d10956b6a8a6ca6ee50536655fdea90be4083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12a52a37226cd376b0eff794f1d70148ece87b51eee057ab54744b5446655da
[INFO] running `Command { std: "docker" "start" "-a" "f12a52a37226cd376b0eff794f1d70148ece87b51eee057ab54744b5446655da", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling serde_bare v0.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling hdrhistogram v7.5.0
[INFO] [stderr]    Compiling bare-metrics-core v0.1.0
[INFO] [stderr]    Compiling bare-metrics-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "f12a52a37226cd376b0eff794f1d70148ece87b51eee057ab54744b5446655da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12a52a37226cd376b0eff794f1d70148ece87b51eee057ab54744b5446655da", kill_on_drop: false }`
[INFO] [stdout] f12a52a37226cd376b0eff794f1d70148ece87b51eee057ab54744b5446655da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea645ee67bf92ce6d4e92cf79edcaadb42cfe3238aab942c453d01ffd28863b
[INFO] running `Command { std: "docker" "start" "-a" "2ea645ee67bf92ce6d4e92cf79edcaadb42cfe3238aab942c453d01ffd28863b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bare-metrics-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2ea645ee67bf92ce6d4e92cf79edcaadb42cfe3238aab942c453d01ffd28863b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea645ee67bf92ce6d4e92cf79edcaadb42cfe3238aab942c453d01ffd28863b", kill_on_drop: false }`
[INFO] [stdout] 2ea645ee67bf92ce6d4e92cf79edcaadb42cfe3238aab942c453d01ffd28863b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a4277c45cd6bfe6ae1635d8dcab53b2b7af94443eecfaa93cfee982ba4ebaf0
[INFO] running `Command { std: "docker" "start" "-a" "7a4277c45cd6bfe6ae1635d8dcab53b2b7af94443eecfaa93cfee982ba4ebaf0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bare_metrics_reader-261c2c97882c9bb7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bare-metrics-reader
[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" "7a4277c45cd6bfe6ae1635d8dcab53b2b7af94443eecfaa93cfee982ba4ebaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4277c45cd6bfe6ae1635d8dcab53b2b7af94443eecfaa93cfee982ba4ebaf0", kill_on_drop: false }`
[INFO] [stdout] 7a4277c45cd6bfe6ae1635d8dcab53b2b7af94443eecfaa93cfee982ba4ebaf0