[INFO] cloning repository https://github.com/LearningOS/rust-rustlings-TomMonkeyMan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/rust-rustlings-TomMonkeyMan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-TomMonkeyMan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-TomMonkeyMan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 771f1d7d64168b456481d0e2ab84cba5ab9fd6d1 [INFO] checking LearningOS/rust-rustlings-TomMonkeyMan against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-TomMonkeyMan" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31837073c06a55b01488f04541dd4cd97ca5b31f69016a572865ab969d4b3711 [INFO] running `Command { std: "docker" "start" "-a" "31837073c06a55b01488f04541dd4cd97ca5b31f69016a572865ab969d4b3711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31837073c06a55b01488f04541dd4cd97ca5b31f69016a572865ab969d4b3711", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31837073c06a55b01488f04541dd4cd97ca5b31f69016a572865ab969d4b3711", kill_on_drop: false }` [INFO] [stdout] 31837073c06a55b01488f04541dd4cd97ca5b31f69016a572865ab969d4b3711 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4a9c83bfc97becced45c56304c90ae864ee1af5ec997bcab997537db5452452 [INFO] running `Command { std: "docker" "start" "-a" "a4a9c83bfc97becced45c56304c90ae864ee1af5ec997bcab997537db5452452", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking predicates-tree v1.0.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking argh v0.1.5 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking rustlings v5.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.72s [INFO] running `Command { std: "docker" "inspect" "a4a9c83bfc97becced45c56304c90ae864ee1af5ec997bcab997537db5452452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4a9c83bfc97becced45c56304c90ae864ee1af5ec997bcab997537db5452452", kill_on_drop: false }` [INFO] [stdout] a4a9c83bfc97becced45c56304c90ae864ee1af5ec997bcab997537db5452452 [INFO] checking LearningOS/rust-rustlings-TomMonkeyMan against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Frust-rustlings-TomMonkeyMan" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan [INFO] finished tweaking git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan [INFO] tweaked toml for git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/LearningOS/rust-rustlings-TomMonkeyMan 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0343b12415f9063e255bdaedc54d8cfe427552ccb8cf9673c08834012f37ffa1 [INFO] running `Command { std: "docker" "start" "-a" "0343b12415f9063e255bdaedc54d8cfe427552ccb8cf9673c08834012f37ffa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0343b12415f9063e255bdaedc54d8cfe427552ccb8cf9673c08834012f37ffa1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0343b12415f9063e255bdaedc54d8cfe427552ccb8cf9673c08834012f37ffa1", kill_on_drop: false }` [INFO] [stdout] 0343b12415f9063e255bdaedc54d8cfe427552ccb8cf9673c08834012f37ffa1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 529e8c9fc149b486e6916f4d762141df33c1607bb794666642b63dc01a665d60 [INFO] running `Command { std: "docker" "start" "-a" "529e8c9fc149b486e6916f4d762141df33c1607bb794666642b63dc01a665d60", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.4 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling tokio v1.21.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Checking predicates-tree v1.0.3 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking argh v0.1.5 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking rustlings v5.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.03s [INFO] running `Command { std: "docker" "inspect" "529e8c9fc149b486e6916f4d762141df33c1607bb794666642b63dc01a665d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "529e8c9fc149b486e6916f4d762141df33c1607bb794666642b63dc01a665d60", kill_on_drop: false }` [INFO] [stdout] 529e8c9fc149b486e6916f4d762141df33c1607bb794666642b63dc01a665d60