[INFO] fetching crate F921 0.1.0...
[INFO] testing F921-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate F921 0.1.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate F921 0.1.0 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 F921 0.1.0
[INFO] finished tweaking crates.io crate F921 0.1.0
[INFO] tweaked toml for crates.io crate F921 0.1.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate crates.io crate F921 0.1.0 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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 0d14ec3194e86dce1419e50ccb7fdffe3b839db6e535377ecf3aa39b100eeaef
[INFO] running `Command { std: "docker" "start" "-a" "0d14ec3194e86dce1419e50ccb7fdffe3b839db6e535377ecf3aa39b100eeaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d14ec3194e86dce1419e50ccb7fdffe3b839db6e535377ecf3aa39b100eeaef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d14ec3194e86dce1419e50ccb7fdffe3b839db6e535377ecf3aa39b100eeaef", kill_on_drop: false }`
[INFO] [stdout] 0d14ec3194e86dce1419e50ccb7fdffe3b839db6e535377ecf3aa39b100eeaef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] c30dcc782fc49b09fa92b007c7666d7fb3e8423158812ce41e331a9406c9dddd
[INFO] running `Command { std: "docker" "start" "-a" "c30dcc782fc49b09fa92b007c7666d7fb3e8423158812ce41e331a9406c9dddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling F921 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `F921` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `f921`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c30dcc782fc49b09fa92b007c7666d7fb3e8423158812ce41e331a9406c9dddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30dcc782fc49b09fa92b007c7666d7fb3e8423158812ce41e331a9406c9dddd", kill_on_drop: false }`
[INFO] [stdout] c30dcc782fc49b09fa92b007c7666d7fb3e8423158812ce41e331a9406c9dddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 8340be50b93d94e75685a09d2dea0540923d17303f4972e7c1ae030bdd0ddac6
[INFO] running `Command { std: "docker" "start" "-a" "8340be50b93d94e75685a09d2dea0540923d17303f4972e7c1ae030bdd0ddac6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling F921 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `F921` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `f921`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "8340be50b93d94e75685a09d2dea0540923d17303f4972e7c1ae030bdd0ddac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8340be50b93d94e75685a09d2dea0540923d17303f4972e7c1ae030bdd0ddac6", kill_on_drop: false }`
[INFO] [stdout] 8340be50b93d94e75685a09d2dea0540923d17303f4972e7c1ae030bdd0ddac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] e5d12f00858abb97588b611439237bdfd4d54169030bfe2cd91fbd62194bded1
[INFO] running `Command { std: "docker" "start" "-a" "e5d12f00858abb97588b611439237bdfd4d54169030bfe2cd91fbd62194bded1", kill_on_drop: false }`
[INFO] [stderr] warning: crate `F921` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `f921`
[INFO] [stderr] 
[INFO] [stderr] warning: `F921` (bin "F921" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/F921-87a4c43a2295e045)
[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" "e5d12f00858abb97588b611439237bdfd4d54169030bfe2cd91fbd62194bded1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d12f00858abb97588b611439237bdfd4d54169030bfe2cd91fbd62194bded1", kill_on_drop: false }`
[INFO] [stdout] e5d12f00858abb97588b611439237bdfd4d54169030bfe2cd91fbd62194bded1