[INFO] cloning repository https://github.com/raimon49/rust-ownership-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raimon49/rust-ownership-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-ownership-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-ownership-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd29cc15401716fe2a2b94a8cae1abe699562f28
[INFO] testing raimon49/rust-ownership-study against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraimon49%2Frust-ownership-study" "/workspace/builds/worker-60/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-60/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raimon49/rust-ownership-study on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raimon49/rust-ownership-study
[INFO] finished tweaking git repo https://github.com/raimon49/rust-ownership-study
[INFO] tweaked toml for git repo https://github.com/raimon49/rust-ownership-study written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate git repo https://github.com/raimon49/rust-ownership-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9501ae77ff58aa278f82fee22f4253aa5e999044629a65db1c49a506f4e8aae6
[INFO] running `Command { std: "docker" "start" "-a" "9501ae77ff58aa278f82fee22f4253aa5e999044629a65db1c49a506f4e8aae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9501ae77ff58aa278f82fee22f4253aa5e999044629a65db1c49a506f4e8aae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9501ae77ff58aa278f82fee22f4253aa5e999044629a65db1c49a506f4e8aae6", kill_on_drop: false }`
[INFO] [stdout] 9501ae77ff58aa278f82fee22f4253aa5e999044629a65db1c49a506f4e8aae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d542a90ebd3451050535ccac6bce41f775020a240f3cc3178bec19aa5539154d
[INFO] running `Command { std: "docker" "start" "-a" "d542a90ebd3451050535ccac6bce41f775020a240f3cc3178bec19aa5539154d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ownership-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d542a90ebd3451050535ccac6bce41f775020a240f3cc3178bec19aa5539154d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d542a90ebd3451050535ccac6bce41f775020a240f3cc3178bec19aa5539154d", kill_on_drop: false }`
[INFO] [stdout] d542a90ebd3451050535ccac6bce41f775020a240f3cc3178bec19aa5539154d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19bea4c81fcc9799f5692308b02cf34e26ab49e18c7c46684faeaff33664d269
[INFO] running `Command { std: "docker" "start" "-a" "19bea4c81fcc9799f5692308b02cf34e26ab49e18c7c46684faeaff33664d269", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ownership-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "19bea4c81fcc9799f5692308b02cf34e26ab49e18c7c46684faeaff33664d269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bea4c81fcc9799f5692308b02cf34e26ab49e18c7c46684faeaff33664d269", kill_on_drop: false }`
[INFO] [stdout] 19bea4c81fcc9799f5692308b02cf34e26ab49e18c7c46684faeaff33664d269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09ed94cb5d9bef033ec37f007ae4f67541b91e7d2362ce05d3563650d5b3baa3
[INFO] running `Command { std: "docker" "start" "-a" "09ed94cb5d9bef033ec37f007ae4f67541b91e7d2362ce05d3563650d5b3baa3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ownership_study-a405ccd3269e085a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_rust_ownership ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09ed94cb5d9bef033ec37f007ae4f67541b91e7d2362ce05d3563650d5b3baa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ed94cb5d9bef033ec37f007ae4f67541b91e7d2362ce05d3563650d5b3baa3", kill_on_drop: false }`
[INFO] [stdout] 09ed94cb5d9bef033ec37f007ae4f67541b91e7d2362ce05d3563650d5b3baa3