[INFO] fetching crate event-observer 0.1.0...
[INFO] testing event-observer-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate event-observer 0.1.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate event-observer 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event-observer 0.1.0
[INFO] finished tweaking crates.io crate event-observer 0.1.0
[INFO] tweaked toml for crates.io crate event-observer 0.1.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 148a91ee2e9567b07911479146be816a4bbda76e01887d88bbac8f42884920b5
[INFO] running `Command { std: "docker" "start" "-a" "148a91ee2e9567b07911479146be816a4bbda76e01887d88bbac8f42884920b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148a91ee2e9567b07911479146be816a4bbda76e01887d88bbac8f42884920b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148a91ee2e9567b07911479146be816a4bbda76e01887d88bbac8f42884920b5", kill_on_drop: false }`
[INFO] [stdout] 148a91ee2e9567b07911479146be816a4bbda76e01887d88bbac8f42884920b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b87c37b00d1ad655d30594845ec710c7d608a12d6fc3ed8a1bace202f9db2260
[INFO] running `Command { std: "docker" "start" "-a" "b87c37b00d1ad655d30594845ec710c7d608a12d6fc3ed8a1bace202f9db2260", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "b87c37b00d1ad655d30594845ec710c7d608a12d6fc3ed8a1bace202f9db2260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87c37b00d1ad655d30594845ec710c7d608a12d6fc3ed8a1bace202f9db2260", kill_on_drop: false }`
[INFO] [stdout] b87c37b00d1ad655d30594845ec710c7d608a12d6fc3ed8a1bace202f9db2260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0be22e329f88f5cff842ccc67f2a054711b0542d1826a0315e798bd941dad88
[INFO] running `Command { std: "docker" "start" "-a" "d0be22e329f88f5cff842ccc67f2a054711b0542d1826a0315e798bd941dad88", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-observer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d0be22e329f88f5cff842ccc67f2a054711b0542d1826a0315e798bd941dad88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0be22e329f88f5cff842ccc67f2a054711b0542d1826a0315e798bd941dad88", kill_on_drop: false }`
[INFO] [stdout] d0be22e329f88f5cff842ccc67f2a054711b0542d1826a0315e798bd941dad88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fd70c7975e90b7a4d765116f5e74f2f71cf83dc7884119c384e38698b9bbf14
[INFO] running `Command { std: "docker" "start" "-a" "5fd70c7975e90b7a4d765116f5e74f2f71cf83dc7884119c384e38698b9bbf14", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/event_observer-f78ec428479ef58d)
[INFO] [stderr]    Doc-tests event-observer
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fd70c7975e90b7a4d765116f5e74f2f71cf83dc7884119c384e38698b9bbf14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd70c7975e90b7a4d765116f5e74f2f71cf83dc7884119c384e38698b9bbf14", kill_on_drop: false }`
[INFO] [stdout] 5fd70c7975e90b7a4d765116f5e74f2f71cf83dc7884119c384e38698b9bbf14