[INFO] fetching crate rust-toolchain 0.21.1...
[INFO] testing rust-toolchain-0.21.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rust-toolchain 0.21.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-toolchain 0.21.1 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 rust-toolchain 0.21.1
[INFO] finished tweaking crates.io crate rust-toolchain 0.21.1
[INFO] tweaked toml for crates.io crate rust-toolchain 0.21.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 63ce925e429e9201af7e7b366c906998d328041c9632a536f6ff811101cf215b
[INFO] running `Command { std: "docker" "start" "-a" "63ce925e429e9201af7e7b366c906998d328041c9632a536f6ff811101cf215b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63ce925e429e9201af7e7b366c906998d328041c9632a536f6ff811101cf215b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ce925e429e9201af7e7b366c906998d328041c9632a536f6ff811101cf215b", kill_on_drop: false }`
[INFO] [stdout] 63ce925e429e9201af7e7b366c906998d328041c9632a536f6ff811101cf215b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cbb73e83522da0c7e9702390adabac58c4077a5deb0bc62d8100f915b92e62f9
[INFO] running `Command { std: "docker" "start" "-a" "cbb73e83522da0c7e9702390adabac58c4077a5deb0bc62d8100f915b92e62f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-toolchain v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "cbb73e83522da0c7e9702390adabac58c4077a5deb0bc62d8100f915b92e62f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb73e83522da0c7e9702390adabac58c4077a5deb0bc62d8100f915b92e62f9", kill_on_drop: false }`
[INFO] [stdout] cbb73e83522da0c7e9702390adabac58c4077a5deb0bc62d8100f915b92e62f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d615577cb452b0d11d08372d156b5b3be74b7dbe02c90659bdd14d9613bcca8b
[INFO] running `Command { std: "docker" "start" "-a" "d615577cb452b0d11d08372d156b5b3be74b7dbe02c90659bdd14d9613bcca8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-toolchain v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d615577cb452b0d11d08372d156b5b3be74b7dbe02c90659bdd14d9613bcca8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d615577cb452b0d11d08372d156b5b3be74b7dbe02c90659bdd14d9613bcca8b", kill_on_drop: false }`
[INFO] [stdout] d615577cb452b0d11d08372d156b5b3be74b7dbe02c90659bdd14d9613bcca8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fc1cb6c3c7c25f834cf00451891a9f88369c786daef314f4515e53a40aa36ad6
[INFO] running `Command { std: "docker" "start" "-a" "fc1cb6c3c7c25f834cf00451891a9f88369c786daef314f4515e53a40aa36ad6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_toolchain-1829d274ba1337bb)
[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 rust-toolchain
[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" "fc1cb6c3c7c25f834cf00451891a9f88369c786daef314f4515e53a40aa36ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1cb6c3c7c25f834cf00451891a9f88369c786daef314f4515e53a40aa36ad6", kill_on_drop: false }`
[INFO] [stdout] fc1cb6c3c7c25f834cf00451891a9f88369c786daef314f4515e53a40aa36ad6