[INFO] fetching crate costa 0.1.0...
[INFO] testing costa-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate costa 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate costa 0.1.0
[INFO] finished tweaking crates.io crate costa 0.1.0
[INFO] tweaked toml for crates.io crate costa 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate costa 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate costa 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63411d503bf966e243bdffb7f59d19a334754fd473a9c8c06dd716d6d6c5d53
[INFO] running `Command { std: "docker" "start" "-a" "d63411d503bf966e243bdffb7f59d19a334754fd473a9c8c06dd716d6d6c5d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63411d503bf966e243bdffb7f59d19a334754fd473a9c8c06dd716d6d6c5d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63411d503bf966e243bdffb7f59d19a334754fd473a9c8c06dd716d6d6c5d53", kill_on_drop: false }`
[INFO] [stdout] d63411d503bf966e243bdffb7f59d19a334754fd473a9c8c06dd716d6d6c5d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19a32c3a60c6aa6e7dfa73094ef74e14f7ff03d78ab85309b2f303f300f5401
[INFO] running `Command { std: "docker" "start" "-a" "f19a32c3a60c6aa6e7dfa73094ef74e14f7ff03d78ab85309b2f303f300f5401", kill_on_drop: false }`
[INFO] [stderr]    Compiling costa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "f19a32c3a60c6aa6e7dfa73094ef74e14f7ff03d78ab85309b2f303f300f5401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19a32c3a60c6aa6e7dfa73094ef74e14f7ff03d78ab85309b2f303f300f5401", kill_on_drop: false }`
[INFO] [stdout] f19a32c3a60c6aa6e7dfa73094ef74e14f7ff03d78ab85309b2f303f300f5401
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e252b89402d5ff27eb938efe1bb97bfd47f2dc9fb101a54f2e7e52457815364d
[INFO] running `Command { std: "docker" "start" "-a" "e252b89402d5ff27eb938efe1bb97bfd47f2dc9fb101a54f2e7e52457815364d", kill_on_drop: false }`
[INFO] [stderr]    Compiling costa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "e252b89402d5ff27eb938efe1bb97bfd47f2dc9fb101a54f2e7e52457815364d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e252b89402d5ff27eb938efe1bb97bfd47f2dc9fb101a54f2e7e52457815364d", kill_on_drop: false }`
[INFO] [stdout] e252b89402d5ff27eb938efe1bb97bfd47f2dc9fb101a54f2e7e52457815364d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 702a2c75e03909b45b8f5357b6d2cd0f57d1d84cedb22ecaceb60d4ec2339f5d
[INFO] running `Command { std: "docker" "start" "-a" "702a2c75e03909b45b8f5357b6d2cd0f57d1d84cedb22ecaceb60d4ec2339f5d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/costa-e7e16f98ed45dda0)
[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" "702a2c75e03909b45b8f5357b6d2cd0f57d1d84cedb22ecaceb60d4ec2339f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702a2c75e03909b45b8f5357b6d2cd0f57d1d84cedb22ecaceb60d4ec2339f5d", kill_on_drop: false }`
[INFO] [stdout] 702a2c75e03909b45b8f5357b6d2cd0f57d1d84cedb22ecaceb60d4ec2339f5d