[INFO] cloning repository https://github.com/letterbeezps/rustlearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letterbeezps/rustlearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletterbeezps%2Frustlearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletterbeezps%2Frustlearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28e3f1322bfc98536b262ebc14929d9f190fc6bb
[INFO] checking letterbeezps/rustlearn against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletterbeezps%2Frustlearn" "/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/letterbeezps/rustlearn on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/letterbeezps/rustlearn
[INFO] finished tweaking git repo https://github.com/letterbeezps/rustlearn
[INFO] tweaked toml for git repo https://github.com/letterbeezps/rustlearn written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/letterbeezps/rustlearn 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892f9c548861c21066bdd21ee41276c9392aad02de9a9c70f0e13acaf2a59a0d
[INFO] running `Command { std: "docker" "start" "-a" "892f9c548861c21066bdd21ee41276c9392aad02de9a9c70f0e13acaf2a59a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892f9c548861c21066bdd21ee41276c9392aad02de9a9c70f0e13acaf2a59a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892f9c548861c21066bdd21ee41276c9392aad02de9a9c70f0e13acaf2a59a0d", kill_on_drop: false }`
[INFO] [stdout] 892f9c548861c21066bdd21ee41276c9392aad02de9a9c70f0e13acaf2a59a0d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ec4f7834f758db186642d02157c3c96c1b1cd266e998853d934c384e54f3ae
[INFO] running `Command { std: "docker" "start" "-a" "c2ec4f7834f758db186642d02157c3c96c1b1cd266e998853d934c384e54f3ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rustlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.55s
[INFO] running `Command { std: "docker" "inspect" "c2ec4f7834f758db186642d02157c3c96c1b1cd266e998853d934c384e54f3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ec4f7834f758db186642d02157c3c96c1b1cd266e998853d934c384e54f3ae", kill_on_drop: false }`
[INFO] [stdout] c2ec4f7834f758db186642d02157c3c96c1b1cd266e998853d934c384e54f3ae
[INFO] checking letterbeezps/rustlearn against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletterbeezps%2Frustlearn" "/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/letterbeezps/rustlearn on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/letterbeezps/rustlearn
[INFO] finished tweaking git repo https://github.com/letterbeezps/rustlearn
[INFO] tweaked toml for git repo https://github.com/letterbeezps/rustlearn written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/letterbeezps/rustlearn 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8fa2011cb6a47d49272a0e65fabbed32e2383838fa32974ad784fb09b0abd8
[INFO] running `Command { std: "docker" "start" "-a" "4b8fa2011cb6a47d49272a0e65fabbed32e2383838fa32974ad784fb09b0abd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8fa2011cb6a47d49272a0e65fabbed32e2383838fa32974ad784fb09b0abd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8fa2011cb6a47d49272a0e65fabbed32e2383838fa32974ad784fb09b0abd8", kill_on_drop: false }`
[INFO] [stdout] 4b8fa2011cb6a47d49272a0e65fabbed32e2383838fa32974ad784fb09b0abd8
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109cf0026228d6c27e6e21dcb29f551e629e1e5ae758f5bca93185ad633e1b47
[INFO] running `Command { std: "docker" "start" "-a" "109cf0026228d6c27e6e21dcb29f551e629e1e5ae758f5bca93185ad633e1b47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking rustlearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.23s
[INFO] running `Command { std: "docker" "inspect" "109cf0026228d6c27e6e21dcb29f551e629e1e5ae758f5bca93185ad633e1b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109cf0026228d6c27e6e21dcb29f551e629e1e5ae758f5bca93185ad633e1b47", kill_on_drop: false }`
[INFO] [stdout] 109cf0026228d6c27e6e21dcb29f551e629e1e5ae758f5bca93185ad633e1b47