[INFO] fetching crate rust_learn 0.1.1...
[INFO] testing rust_learn-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rust_learn 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust_learn 0.1.1
[INFO] finished tweaking crates.io crate rust_learn 0.1.1
[INFO] tweaked toml for crates.io crate rust_learn 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_learn 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_learn 0.1.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27131534cf5f50e9bb632c7b53bff78375374cafa40e134e233b9c14ab1ca243
[INFO] running `Command { std: "docker" "start" "-a" "27131534cf5f50e9bb632c7b53bff78375374cafa40e134e233b9c14ab1ca243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27131534cf5f50e9bb632c7b53bff78375374cafa40e134e233b9c14ab1ca243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27131534cf5f50e9bb632c7b53bff78375374cafa40e134e233b9c14ab1ca243", kill_on_drop: false }`
[INFO] [stdout] 27131534cf5f50e9bb632c7b53bff78375374cafa40e134e233b9c14ab1ca243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e4d5008f118cb0e5a8cfb302c27a39c1f5d7a0f9a94e0d370665a55917690e2
[INFO] running `Command { std: "docker" "start" "-a" "6e4d5008f118cb0e5a8cfb302c27a39c1f5d7a0f9a94e0d370665a55917690e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "6e4d5008f118cb0e5a8cfb302c27a39c1f5d7a0f9a94e0d370665a55917690e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4d5008f118cb0e5a8cfb302c27a39c1f5d7a0f9a94e0d370665a55917690e2", kill_on_drop: false }`
[INFO] [stdout] 6e4d5008f118cb0e5a8cfb302c27a39c1f5d7a0f9a94e0d370665a55917690e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa780eb2f659b6b127c74319fdeb48d25a6b68c5d5c627e2a1cf0b58e638e41c
[INFO] running `Command { std: "docker" "start" "-a" "fa780eb2f659b6b127c74319fdeb48d25a6b68c5d5c627e2a1cf0b58e638e41c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "fa780eb2f659b6b127c74319fdeb48d25a6b68c5d5c627e2a1cf0b58e638e41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa780eb2f659b6b127c74319fdeb48d25a6b68c5d5c627e2a1cf0b58e638e41c", kill_on_drop: false }`
[INFO] [stdout] fa780eb2f659b6b127c74319fdeb48d25a6b68c5d5c627e2a1cf0b58e638e41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e40d510cf0877a33371d9c696468e61fc9c1a154796c6be55dd4d20521ace2a8
[INFO] running `Command { std: "docker" "start" "-a" "e40d510cf0877a33371d9c696468e61fc9c1a154796c6be55dd4d20521ace2a8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learn-cbe0454f723a9304)
[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" "e40d510cf0877a33371d9c696468e61fc9c1a154796c6be55dd4d20521ace2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40d510cf0877a33371d9c696468e61fc9c1a154796c6be55dd4d20521ace2a8", kill_on_drop: false }`
[INFO] [stdout] e40d510cf0877a33371d9c696468e61fc9c1a154796c6be55dd4d20521ace2a8