[INFO] fetching crate fcc 0.4.2...
[INFO] testing fcc-0.4.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fcc 0.4.2 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate fcc 0.4.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fcc 0.4.2
[INFO] finished tweaking crates.io crate fcc 0.4.2
[INFO] tweaked toml for crates.io crate fcc 0.4.2 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate fcc 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f372e25af5a942100b0630e61e2c9974f540bd2220e577ee4d3f50d88b20c8c
[INFO] running `Command { std: "docker" "start" "-a" "4f372e25af5a942100b0630e61e2c9974f540bd2220e577ee4d3f50d88b20c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f372e25af5a942100b0630e61e2c9974f540bd2220e577ee4d3f50d88b20c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f372e25af5a942100b0630e61e2c9974f540bd2220e577ee4d3f50d88b20c8c", kill_on_drop: false }`
[INFO] [stdout] 4f372e25af5a942100b0630e61e2c9974f540bd2220e577ee4d3f50d88b20c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ca9b864d4e2670fd6eaf4a6e52254186e2aaac8a55eee7b5d5e546ca07f393a
[INFO] running `Command { std: "docker" "start" "-a" "1ca9b864d4e2670fd6eaf4a6e52254186e2aaac8a55eee7b5d5e546ca07f393a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling byteseeker v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling admerge v0.1.3
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling fcc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "1ca9b864d4e2670fd6eaf4a6e52254186e2aaac8a55eee7b5d5e546ca07f393a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca9b864d4e2670fd6eaf4a6e52254186e2aaac8a55eee7b5d5e546ca07f393a", kill_on_drop: false }`
[INFO] [stdout] 1ca9b864d4e2670fd6eaf4a6e52254186e2aaac8a55eee7b5d5e546ca07f393a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a25aa57d40e3ebfd0688ac2f2558b5232c707f0db70ad2133fece9d20ad6062
[INFO] running `Command { std: "docker" "start" "-a" "3a25aa57d40e3ebfd0688ac2f2558b5232c707f0db70ad2133fece9d20ad6062", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling fcc v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.17s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fcc-8040b689244cb3dc)
[INFO] running `Command { std: "docker" "inspect" "3a25aa57d40e3ebfd0688ac2f2558b5232c707f0db70ad2133fece9d20ad6062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a25aa57d40e3ebfd0688ac2f2558b5232c707f0db70ad2133fece9d20ad6062", kill_on_drop: false }`
[INFO] [stdout] 3a25aa57d40e3ebfd0688ac2f2558b5232c707f0db70ad2133fece9d20ad6062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 297e577e0914d956ac52f1b6848e5c429383e53feda5247d8f432536197f4197
[INFO] running `Command { std: "docker" "start" "-a" "297e577e0914d956ac52f1b6848e5c429383e53feda5247d8f432536197f4197", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fcc-8040b689244cb3dc)
[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" "297e577e0914d956ac52f1b6848e5c429383e53feda5247d8f432536197f4197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297e577e0914d956ac52f1b6848e5c429383e53feda5247d8f432536197f4197", kill_on_drop: false }`
[INFO] [stdout] 297e577e0914d956ac52f1b6848e5c429383e53feda5247d8f432536197f4197