[INFO] fetching crate fract 0.0.0...
[INFO] testing fract-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fract 0.0.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate fract 0.0.0 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 fract 0.0.0
[INFO] finished tweaking crates.io crate fract 0.0.0
[INFO] tweaked toml for crates.io crate fract 0.0.0 written to /workspace/builds/worker-84/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] 149838ddb82d5499d702e34edde8f205f06ba085c42c274acc5b504c0938f5cd
[INFO] running `Command { std: "docker" "start" "-a" "149838ddb82d5499d702e34edde8f205f06ba085c42c274acc5b504c0938f5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "149838ddb82d5499d702e34edde8f205f06ba085c42c274acc5b504c0938f5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149838ddb82d5499d702e34edde8f205f06ba085c42c274acc5b504c0938f5cd", kill_on_drop: false }`
[INFO] [stdout] 149838ddb82d5499d702e34edde8f205f06ba085c42c274acc5b504c0938f5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] d8797a71f311aab72a4182e4297404fd6e21ee24765df9e38d057526599df4b6
[INFO] running `Command { std: "docker" "start" "-a" "d8797a71f311aab72a4182e4297404fd6e21ee24765df9e38d057526599df4b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fract v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d8797a71f311aab72a4182e4297404fd6e21ee24765df9e38d057526599df4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8797a71f311aab72a4182e4297404fd6e21ee24765df9e38d057526599df4b6", kill_on_drop: false }`
[INFO] [stdout] d8797a71f311aab72a4182e4297404fd6e21ee24765df9e38d057526599df4b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] fb140f882814c70a2ca1a3ad87031593c7fbc14f71c51ec78f595394db22f4e2
[INFO] running `Command { std: "docker" "start" "-a" "fb140f882814c70a2ca1a3ad87031593c7fbc14f71c51ec78f595394db22f4e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fract v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "fb140f882814c70a2ca1a3ad87031593c7fbc14f71c51ec78f595394db22f4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb140f882814c70a2ca1a3ad87031593c7fbc14f71c51ec78f595394db22f4e2", kill_on_drop: false }`
[INFO] [stdout] fb140f882814c70a2ca1a3ad87031593c7fbc14f71c51ec78f595394db22f4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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] a8156407eaa6412a8403d228ea430db7eb1f5886a7021c1c2f92daaffea6a76a
[INFO] running `Command { std: "docker" "start" "-a" "a8156407eaa6412a8403d228ea430db7eb1f5886a7021c1c2f92daaffea6a76a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fract-6c21f3b5ccf308af)
[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 fract
[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" "a8156407eaa6412a8403d228ea430db7eb1f5886a7021c1c2f92daaffea6a76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8156407eaa6412a8403d228ea430db7eb1f5886a7021c1c2f92daaffea6a76a", kill_on_drop: false }`
[INFO] [stdout] a8156407eaa6412a8403d228ea430db7eb1f5886a7021c1c2f92daaffea6a76a