[INFO] fetching crate ext 0.0.1...
[INFO] testing ext-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ext 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ext 0.0.1 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 ext 0.0.1
[INFO] finished tweaking crates.io crate ext 0.0.1
[INFO] tweaked toml for crates.io crate ext 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d0082be3a15c5a704c41801353f67c89a7660af37efde50668a17c2dd881b37c
[INFO] running `Command { std: "docker" "start" "-a" "d0082be3a15c5a704c41801353f67c89a7660af37efde50668a17c2dd881b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0082be3a15c5a704c41801353f67c89a7660af37efde50668a17c2dd881b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0082be3a15c5a704c41801353f67c89a7660af37efde50668a17c2dd881b37c", kill_on_drop: false }`
[INFO] [stdout] d0082be3a15c5a704c41801353f67c89a7660af37efde50668a17c2dd881b37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] aab49c4cd3da741b36e0ed6c647011b0b1cb57604ae1d005f9d57625e2d31f58
[INFO] running `Command { std: "docker" "start" "-a" "aab49c4cd3da741b36e0ed6c647011b0b1cb57604ae1d005f9d57625e2d31f58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ext v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "aab49c4cd3da741b36e0ed6c647011b0b1cb57604ae1d005f9d57625e2d31f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab49c4cd3da741b36e0ed6c647011b0b1cb57604ae1d005f9d57625e2d31f58", kill_on_drop: false }`
[INFO] [stdout] aab49c4cd3da741b36e0ed6c647011b0b1cb57604ae1d005f9d57625e2d31f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4818a28363c752347108e796c45cabd1a47d0346e0196c883bde673d2419df5e
[INFO] running `Command { std: "docker" "start" "-a" "4818a28363c752347108e796c45cabd1a47d0346e0196c883bde673d2419df5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ext v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]   Executable unittests src/ext.rs (/opt/rustwide/target/debug/deps/ext-41491ecffb45a9c7)
[INFO] running `Command { std: "docker" "inspect" "4818a28363c752347108e796c45cabd1a47d0346e0196c883bde673d2419df5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4818a28363c752347108e796c45cabd1a47d0346e0196c883bde673d2419df5e", kill_on_drop: false }`
[INFO] [stdout] 4818a28363c752347108e796c45cabd1a47d0346e0196c883bde673d2419df5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f435bcd50d9a95d22a50a582d428162f064855366418be7c4aff1f2c6edf97fd
[INFO] running `Command { std: "docker" "start" "-a" "f435bcd50d9a95d22a50a582d428162f064855366418be7c4aff1f2c6edf97fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr]      Running unittests src/ext.rs (/opt/rustwide/target/debug/deps/ext-41491ecffb45a9c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ext
[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" "f435bcd50d9a95d22a50a582d428162f064855366418be7c4aff1f2c6edf97fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f435bcd50d9a95d22a50a582d428162f064855366418be7c4aff1f2c6edf97fd", kill_on_drop: false }`
[INFO] [stdout] f435bcd50d9a95d22a50a582d428162f064855366418be7c4aff1f2c6edf97fd