[INFO] cloning repository https://github.com/shautvast/rust-workshop-linkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shautvast/rust-workshop-linkedlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 534b0d39e04e4756a76f7970d4af64a7c1dbfdce
[INFO] testing shautvast/rust-workshop-linkedlist against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust-workshop-linkedlist" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shautvast/rust-workshop-linkedlist on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shautvast/rust-workshop-linkedlist
[INFO] finished tweaking git repo https://github.com/shautvast/rust-workshop-linkedlist
[INFO] tweaked toml for git repo https://github.com/shautvast/rust-workshop-linkedlist written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/shautvast/rust-workshop-linkedlist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee76aa0663615fcc0e88b167069f9924e868680040fb1ec5528df34e7d22d673
[INFO] running `Command { std: "docker" "start" "-a" "ee76aa0663615fcc0e88b167069f9924e868680040fb1ec5528df34e7d22d673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee76aa0663615fcc0e88b167069f9924e868680040fb1ec5528df34e7d22d673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee76aa0663615fcc0e88b167069f9924e868680040fb1ec5528df34e7d22d673", kill_on_drop: false }`
[INFO] [stdout] ee76aa0663615fcc0e88b167069f9924e868680040fb1ec5528df34e7d22d673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70c7f05001a4416dbe4fa3ae6cd57a6cdff4d97c18110b3229692bc19bb66197
[INFO] running `Command { std: "docker" "start" "-a" "70c7f05001a4416dbe4fa3ae6cd57a6cdff4d97c18110b3229692bc19bb66197", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "70c7f05001a4416dbe4fa3ae6cd57a6cdff4d97c18110b3229692bc19bb66197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c7f05001a4416dbe4fa3ae6cd57a6cdff4d97c18110b3229692bc19bb66197", kill_on_drop: false }`
[INFO] [stdout] 70c7f05001a4416dbe4fa3ae6cd57a6cdff4d97c18110b3229692bc19bb66197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80a8938b61bf5d2a928007cdce20378d8fc38df21667bac6f49453f9975ae29
[INFO] running `Command { std: "docker" "start" "-a" "c80a8938b61bf5d2a928007cdce20378d8fc38df21667bac6f49453f9975ae29", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkedlist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/linkedlist-a1dd2c19cf21d946)
[INFO] running `Command { std: "docker" "inspect" "c80a8938b61bf5d2a928007cdce20378d8fc38df21667bac6f49453f9975ae29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80a8938b61bf5d2a928007cdce20378d8fc38df21667bac6f49453f9975ae29", kill_on_drop: false }`
[INFO] [stdout] c80a8938b61bf5d2a928007cdce20378d8fc38df21667bac6f49453f9975ae29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00ef0c959c088a1f3f35b9f40e6d10b3a1c13fa33be0c9174813eac08449aea1
[INFO] running `Command { std: "docker" "start" "-a" "00ef0c959c088a1f3f35b9f40e6d10b3a1c13fa33be0c9174813eac08449aea1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linkedlist-a1dd2c19cf21d946)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... 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" "00ef0c959c088a1f3f35b9f40e6d10b3a1c13fa33be0c9174813eac08449aea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ef0c959c088a1f3f35b9f40e6d10b3a1c13fa33be0c9174813eac08449aea1", kill_on_drop: false }`
[INFO] [stdout] 00ef0c959c088a1f3f35b9f40e6d10b3a1c13fa33be0c9174813eac08449aea1