[INFO] cloning repository https://github.com/ihch/rust-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ihch/rust-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihch%2Frust-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihch%2Frust-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac6d8dae1469ea326e1ef6e1289fda5211a4b7b3
[INFO] testing ihch/rust-handson against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fihch%2Frust-handson" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ihch/rust-handson 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/ihch/rust-handson
[INFO] finished tweaking git repo https://github.com/ihch/rust-handson
[INFO] tweaked toml for git repo https://github.com/ihch/rust-handson written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/ihch/rust-handson 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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 055e948847e107722cd5bd1a1fad8ead870c581e05eeb6e2c2e6854e3abd5a0b
[INFO] running `Command { std: "docker" "start" "-a" "055e948847e107722cd5bd1a1fad8ead870c581e05eeb6e2c2e6854e3abd5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055e948847e107722cd5bd1a1fad8ead870c581e05eeb6e2c2e6854e3abd5a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055e948847e107722cd5bd1a1fad8ead870c581e05eeb6e2c2e6854e3abd5a0b", kill_on_drop: false }`
[INFO] [stdout] 055e948847e107722cd5bd1a1fad8ead870c581e05eeb6e2c2e6854e3abd5a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 9ab8c8516d1f59aae736dea5e58fd9faca5da3b50e47130b9495fe31d828934d
[INFO] running `Command { std: "docker" "start" "-a" "9ab8c8516d1f59aae736dea5e58fd9faca5da3b50e47130b9495fe31d828934d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-handson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "9ab8c8516d1f59aae736dea5e58fd9faca5da3b50e47130b9495fe31d828934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab8c8516d1f59aae736dea5e58fd9faca5da3b50e47130b9495fe31d828934d", kill_on_drop: false }`
[INFO] [stdout] 9ab8c8516d1f59aae736dea5e58fd9faca5da3b50e47130b9495fe31d828934d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] c7ad558d0d6540ba4b166723d3007f692f6fafe82f8c33d2b0cf40c079c49f8b
[INFO] running `Command { std: "docker" "start" "-a" "c7ad558d0d6540ba4b166723d3007f692f6fafe82f8c33d2b0cf40c079c49f8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-handson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "c7ad558d0d6540ba4b166723d3007f692f6fafe82f8c33d2b0cf40c079c49f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ad558d0d6540ba4b166723d3007f692f6fafe82f8c33d2b0cf40c079c49f8b", kill_on_drop: false }`
[INFO] [stdout] c7ad558d0d6540ba4b166723d3007f692f6fafe82f8c33d2b0cf40c079c49f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 82d1b353f7f51a86c82a281b2f68c683b7ccc013f530be268600a491da0851a5
[INFO] running `Command { std: "docker" "start" "-a" "82d1b353f7f51a86c82a281b2f68c683b7ccc013f530be268600a491da0851a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_handson-d26d9d5af84d1109)
[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" "82d1b353f7f51a86c82a281b2f68c683b7ccc013f530be268600a491da0851a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d1b353f7f51a86c82a281b2f68c683b7ccc013f530be268600a491da0851a5", kill_on_drop: false }`
[INFO] [stdout] 82d1b353f7f51a86c82a281b2f68c683b7ccc013f530be268600a491da0851a5