[INFO] fetching crate rcref 0.1.0...
[INFO] testing rcref-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rcref 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate rcref 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 rcref 0.1.0
[INFO] finished tweaking crates.io crate rcref 0.1.0
[INFO] tweaked toml for crates.io crate rcref 0.1.0 written to /workspace/builds/worker-19/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] 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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] da056e9f16ee94a990ad4b0d3eec6c4e351d61fb136db37a9192d264d558ccdd
[INFO] running `Command { std: "docker" "start" "-a" "da056e9f16ee94a990ad4b0d3eec6c4e351d61fb136db37a9192d264d558ccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da056e9f16ee94a990ad4b0d3eec6c4e351d61fb136db37a9192d264d558ccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da056e9f16ee94a990ad4b0d3eec6c4e351d61fb136db37a9192d264d558ccdd", kill_on_drop: false }`
[INFO] [stdout] da056e9f16ee94a990ad4b0d3eec6c4e351d61fb136db37a9192d264d558ccdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d85bcbaa3e42d28c3cc487c73edcaa43aa10a8c10c2bff6e7c7f997f0abe0218
[INFO] running `Command { std: "docker" "start" "-a" "d85bcbaa3e42d28c3cc487c73edcaa43aa10a8c10c2bff6e7c7f997f0abe0218", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d85bcbaa3e42d28c3cc487c73edcaa43aa10a8c10c2bff6e7c7f997f0abe0218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85bcbaa3e42d28c3cc487c73edcaa43aa10a8c10c2bff6e7c7f997f0abe0218", kill_on_drop: false }`
[INFO] [stdout] d85bcbaa3e42d28c3cc487c73edcaa43aa10a8c10c2bff6e7c7f997f0abe0218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 1cb5ed981f688175479b05205f79b26b53b9548c20dbe0cbe6add2e14daa6c48
[INFO] running `Command { std: "docker" "start" "-a" "1cb5ed981f688175479b05205f79b26b53b9548c20dbe0cbe6add2e14daa6c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "1cb5ed981f688175479b05205f79b26b53b9548c20dbe0cbe6add2e14daa6c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb5ed981f688175479b05205f79b26b53b9548c20dbe0cbe6add2e14daa6c48", kill_on_drop: false }`
[INFO] [stdout] 1cb5ed981f688175479b05205f79b26b53b9548c20dbe0cbe6add2e14daa6c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 3df254fd607939b2d2e4bb981d72c9cdd0f4410bd0c1bdc50d4772cd2ffe2aaf
[INFO] running `Command { std: "docker" "start" "-a" "3df254fd607939b2d2e4bb981d72c9cdd0f4410bd0c1bdc50d4772cd2ffe2aaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcref-5478271e1052fdf5)
[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] running `Command { std: "docker" "inspect" "3df254fd607939b2d2e4bb981d72c9cdd0f4410bd0c1bdc50d4772cd2ffe2aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df254fd607939b2d2e4bb981d72c9cdd0f4410bd0c1bdc50d4772cd2ffe2aaf", kill_on_drop: false }`
[INFO] [stdout] 3df254fd607939b2d2e4bb981d72c9cdd0f4410bd0c1bdc50d4772cd2ffe2aaf