[INFO] cloning repository https://github.com/clay3075/rust_tail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/clay3075/rust_tail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclay3075%2Frust_tail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclay3075%2Frust_tail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bddd6d9b05d497240d89ffcafbe515fa1dc9d762
[INFO] testing clay3075/rust_tail against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclay3075%2Frust_tail" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/clay3075/rust_tail 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 git repo https://github.com/clay3075/rust_tail
[INFO] finished tweaking git repo https://github.com/clay3075/rust_tail
[INFO] tweaked toml for git repo https://github.com/clay3075/rust_tail written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/clay3075/rust_tail already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 02f8a1ccb7f3af2d03dd9971e076105924088991d6ff7a81a0d993f9a2c3754c
[INFO] running `Command { std: "docker" "start" "-a" "02f8a1ccb7f3af2d03dd9971e076105924088991d6ff7a81a0d993f9a2c3754c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f8a1ccb7f3af2d03dd9971e076105924088991d6ff7a81a0d993f9a2c3754c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f8a1ccb7f3af2d03dd9971e076105924088991d6ff7a81a0d993f9a2c3754c", kill_on_drop: false }`
[INFO] [stdout] 02f8a1ccb7f3af2d03dd9971e076105924088991d6ff7a81a0d993f9a2c3754c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4ec2bc45a35e2e5502c3f587c874a927a20291f46cce9650de97afe8bb9e9c60
[INFO] running `Command { std: "docker" "start" "-a" "4ec2bc45a35e2e5502c3f587c874a927a20291f46cce9650de97afe8bb9e9c60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "4ec2bc45a35e2e5502c3f587c874a927a20291f46cce9650de97afe8bb9e9c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ec2bc45a35e2e5502c3f587c874a927a20291f46cce9650de97afe8bb9e9c60", kill_on_drop: false }`
[INFO] [stdout] 4ec2bc45a35e2e5502c3f587c874a927a20291f46cce9650de97afe8bb9e9c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 58fccd2d336d5603bbb665825cafe49fa75b9e8573a6b7e9b5914eed55aab82f
[INFO] running `Command { std: "docker" "start" "-a" "58fccd2d336d5603bbb665825cafe49fa75b9e8573a6b7e9b5914eed55aab82f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.06s
[INFO] running `Command { std: "docker" "inspect" "58fccd2d336d5603bbb665825cafe49fa75b9e8573a6b7e9b5914eed55aab82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fccd2d336d5603bbb665825cafe49fa75b9e8573a6b7e9b5914eed55aab82f", kill_on_drop: false }`
[INFO] [stdout] 58fccd2d336d5603bbb665825cafe49fa75b9e8573a6b7e9b5914eed55aab82f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 3021284a6a50aabc60ecf9d1ad890ce27e47ecc92ce7e57f36e2ed873fa30c4b
[INFO] running `Command { std: "docker" "start" "-a" "3021284a6a50aabc60ecf9d1ad890ce27e47ecc92ce7e57f36e2ed873fa30c4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tail-eed96705e9c4af0d)
[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" "3021284a6a50aabc60ecf9d1ad890ce27e47ecc92ce7e57f36e2ed873fa30c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3021284a6a50aabc60ecf9d1ad890ce27e47ecc92ce7e57f36e2ed873fa30c4b", kill_on_drop: false }`
[INFO] [stdout] 3021284a6a50aabc60ecf9d1ad890ce27e47ecc92ce7e57f36e2ed873fa30c4b