[INFO] cloning repository https://github.com/DmitrTRC/learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DmitrTRC/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrTRC%2Flearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrTRC%2Flearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c246d39e96b30a0d3873470a02abefa6a4dce88
[INFO] testing DmitrTRC/learning against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmitrTRC%2Flearning" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DmitrTRC/learning on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DmitrTRC/learning
[INFO] finished tweaking git repo https://github.com/DmitrTRC/learning
[INFO] tweaked toml for git repo https://github.com/DmitrTRC/learning written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/DmitrTRC/learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23d3c4e87fd5a6adecd3eac9460b5e6ac69c0446edfc0c8990f1674076c6d9c6
[INFO] running `Command { std: "docker" "start" "-a" "23d3c4e87fd5a6adecd3eac9460b5e6ac69c0446edfc0c8990f1674076c6d9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23d3c4e87fd5a6adecd3eac9460b5e6ac69c0446edfc0c8990f1674076c6d9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d3c4e87fd5a6adecd3eac9460b5e6ac69c0446edfc0c8990f1674076c6d9c6", kill_on_drop: false }`
[INFO] [stdout] 23d3c4e87fd5a6adecd3eac9460b5e6ac69c0446edfc0c8990f1674076c6d9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6f1dcf17bc4728b886051ea3e86ca4af4bb1b65d0afd8885bf347b89fb655d
[INFO] running `Command { std: "docker" "start" "-a" "ad6f1dcf17bc4728b886051ea3e86ca4af4bb1b65d0afd8885bf347b89fb655d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ad6f1dcf17bc4728b886051ea3e86ca4af4bb1b65d0afd8885bf347b89fb655d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6f1dcf17bc4728b886051ea3e86ca4af4bb1b65d0afd8885bf347b89fb655d", kill_on_drop: false }`
[INFO] [stdout] ad6f1dcf17bc4728b886051ea3e86ca4af4bb1b65d0afd8885bf347b89fb655d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02dfa71785dec8ee9eaf868fdbadb375813d218bfc66db05fa828acea1fab437
[INFO] running `Command { std: "docker" "start" "-a" "02dfa71785dec8ee9eaf868fdbadb375813d218bfc66db05fa828acea1fab437", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "02dfa71785dec8ee9eaf868fdbadb375813d218bfc66db05fa828acea1fab437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dfa71785dec8ee9eaf868fdbadb375813d218bfc66db05fa828acea1fab437", kill_on_drop: false }`
[INFO] [stdout] 02dfa71785dec8ee9eaf868fdbadb375813d218bfc66db05fa828acea1fab437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53729bf771c9955bea949e5518180d9fe1f6d96cc88f1608af67bbd0102c471a
[INFO] running `Command { std: "docker" "start" "-a" "53729bf771c9955bea949e5518180d9fe1f6d96cc88f1608af67bbd0102c471a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.54s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning-25aa284eb4983a3d)
[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" "53729bf771c9955bea949e5518180d9fe1f6d96cc88f1608af67bbd0102c471a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53729bf771c9955bea949e5518180d9fe1f6d96cc88f1608af67bbd0102c471a", kill_on_drop: false }`
[INFO] [stdout] 53729bf771c9955bea949e5518180d9fe1f6d96cc88f1608af67bbd0102c471a