[INFO] fetching crate rust_tutor 0.1.0...
[INFO] testing rust_tutor-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rust_tutor 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rust_tutor 0.1.0
[INFO] finished tweaking crates.io crate rust_tutor 0.1.0
[INFO] tweaked toml for crates.io crate rust_tutor 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_tutor 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_tutor 0.1.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 301d8ce2d09d78392d84286ab22341a58cec9e21eb2d911da625c9068499ea59
[INFO] running `Command { std: "docker" "start" "-a" "301d8ce2d09d78392d84286ab22341a58cec9e21eb2d911da625c9068499ea59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "301d8ce2d09d78392d84286ab22341a58cec9e21eb2d911da625c9068499ea59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "301d8ce2d09d78392d84286ab22341a58cec9e21eb2d911da625c9068499ea59", kill_on_drop: false }`
[INFO] [stdout] 301d8ce2d09d78392d84286ab22341a58cec9e21eb2d911da625c9068499ea59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2874aabc63cf5344cb60ce31b167571d194dfc847a0e1e3584c150df2c029f80
[INFO] running `Command { std: "docker" "start" "-a" "2874aabc63cf5344cb60ce31b167571d194dfc847a0e1e3584c150df2c029f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tutor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2874aabc63cf5344cb60ce31b167571d194dfc847a0e1e3584c150df2c029f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2874aabc63cf5344cb60ce31b167571d194dfc847a0e1e3584c150df2c029f80", kill_on_drop: false }`
[INFO] [stdout] 2874aabc63cf5344cb60ce31b167571d194dfc847a0e1e3584c150df2c029f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121816acd3cc87dfb78fba830945c7f54c2045e5482558bdb10e900a19bcccdc
[INFO] running `Command { std: "docker" "start" "-a" "121816acd3cc87dfb78fba830945c7f54c2045e5482558bdb10e900a19bcccdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tutor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "121816acd3cc87dfb78fba830945c7f54c2045e5482558bdb10e900a19bcccdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121816acd3cc87dfb78fba830945c7f54c2045e5482558bdb10e900a19bcccdc", kill_on_drop: false }`
[INFO] [stdout] 121816acd3cc87dfb78fba830945c7f54c2045e5482558bdb10e900a19bcccdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24481f97d4f57bf4a81e2d2058ceadc231a643474c5245468ce65c8dde982655
[INFO] running `Command { std: "docker" "start" "-a" "24481f97d4f57bf4a81e2d2058ceadc231a643474c5245468ce65c8dde982655", 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_tutor-91abd49b19a51eda)
[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" "24481f97d4f57bf4a81e2d2058ceadc231a643474c5245468ce65c8dde982655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24481f97d4f57bf4a81e2d2058ceadc231a643474c5245468ce65c8dde982655", kill_on_drop: false }`
[INFO] [stdout] 24481f97d4f57bf4a81e2d2058ceadc231a643474c5245468ce65c8dde982655