[INFO] cloning repository https://github.com/chengyi/rustlings-anwser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chengyi/rustlings-anwser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e945bd5f85cab2ebeec35c7fa73b79420d865ae
[INFO] checking chengyi/rustlings-anwser/6e945bd5f85cab2ebeec35c7fa73b79420d865ae against try#96ad39d809ea5a132d223acdaa01b9a8d3a26348 for pr-129346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengyi/rustlings-anwser on toolchain 96ad39d809ea5a132d223acdaa01b9a8d3a26348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] finished tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] tweaked toml for git repo https://github.com/chengyi/rustlings-anwser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chengyi/rustlings-anwser 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" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 960497c309ab76104ea25ed6abcfeeb00ae95e700681518f16d8e73d5f96dbad
[INFO] running `Command { std: "docker" "start" "-a" "960497c309ab76104ea25ed6abcfeeb00ae95e700681518f16d8e73d5f96dbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960497c309ab76104ea25ed6abcfeeb00ae95e700681518f16d8e73d5f96dbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960497c309ab76104ea25ed6abcfeeb00ae95e700681518f16d8e73d5f96dbad", kill_on_drop: false }`
[INFO] [stdout] 960497c309ab76104ea25ed6abcfeeb00ae95e700681518f16d8e73d5f96dbad
[INFO] checking chengyi/rustlings-anwser/6e945bd5f85cab2ebeec35c7fa73b79420d865ae against try#96ad39d809ea5a132d223acdaa01b9a8d3a26348 for pr-129346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengyi/rustlings-anwser on toolchain 96ad39d809ea5a132d223acdaa01b9a8d3a26348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] finished tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] tweaked toml for git repo https://github.com/chengyi/rustlings-anwser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chengyi/rustlings-anwser 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" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c059135366bf8faa4e18fca43fb114a70caa903c25df4951be134f637ed6548
[INFO] running `Command { std: "docker" "start" "-a" "6c059135366bf8faa4e18fca43fb114a70caa903c25df4951be134f637ed6548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c059135366bf8faa4e18fca43fb114a70caa903c25df4951be134f637ed6548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c059135366bf8faa4e18fca43fb114a70caa903c25df4951be134f637ed6548", kill_on_drop: false }`
[INFO] [stdout] 6c059135366bf8faa4e18fca43fb114a70caa903c25df4951be134f637ed6548
[INFO] checking chengyi/rustlings-anwser/6e945bd5f85cab2ebeec35c7fa73b79420d865ae against try#96ad39d809ea5a132d223acdaa01b9a8d3a26348 for pr-129346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengyi/rustlings-anwser on toolchain 96ad39d809ea5a132d223acdaa01b9a8d3a26348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] finished tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] tweaked toml for git repo https://github.com/chengyi/rustlings-anwser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chengyi/rustlings-anwser 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" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 121a8cb79b5eb2f1858afa5b29b70d73e4c83507fa2ff03ecdea2b1c508d8fae
[INFO] running `Command { std: "docker" "start" "-a" "121a8cb79b5eb2f1858afa5b29b70d73e4c83507fa2ff03ecdea2b1c508d8fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "121a8cb79b5eb2f1858afa5b29b70d73e4c83507fa2ff03ecdea2b1c508d8fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121a8cb79b5eb2f1858afa5b29b70d73e4c83507fa2ff03ecdea2b1c508d8fae", kill_on_drop: false }`
[INFO] [stdout] 121a8cb79b5eb2f1858afa5b29b70d73e4c83507fa2ff03ecdea2b1c508d8fae
[INFO] checking chengyi/rustlings-anwser/6e945bd5f85cab2ebeec35c7fa73b79420d865ae against try#96ad39d809ea5a132d223acdaa01b9a8d3a26348 for pr-129346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengyi/rustlings-anwser on toolchain 96ad39d809ea5a132d223acdaa01b9a8d3a26348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] finished tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] tweaked toml for git repo https://github.com/chengyi/rustlings-anwser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chengyi/rustlings-anwser 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" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b29d1987f9d3e7e526ae3508e8052306f5b809b7029b77d772c29c1e296adc4
[INFO] running `Command { std: "docker" "start" "-a" "9b29d1987f9d3e7e526ae3508e8052306f5b809b7029b77d772c29c1e296adc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b29d1987f9d3e7e526ae3508e8052306f5b809b7029b77d772c29c1e296adc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b29d1987f9d3e7e526ae3508e8052306f5b809b7029b77d772c29c1e296adc4", kill_on_drop: false }`
[INFO] [stdout] 9b29d1987f9d3e7e526ae3508e8052306f5b809b7029b77d772c29c1e296adc4
[INFO] checking chengyi/rustlings-anwser/6e945bd5f85cab2ebeec35c7fa73b79420d865ae against try#96ad39d809ea5a132d223acdaa01b9a8d3a26348 for pr-129346
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchengyi%2Frustlings-anwser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chengyi/rustlings-anwser on toolchain 96ad39d809ea5a132d223acdaa01b9a8d3a26348
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] finished tweaking git repo https://github.com/chengyi/rustlings-anwser
[INFO] tweaked toml for git repo https://github.com/chengyi/rustlings-anwser written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chengyi/rustlings-anwser 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" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+96ad39d809ea5a132d223acdaa01b9a8d3a26348" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2ab31d8f4b7370691973c0774ce0ff00a49f57939c522aa9b6c0fa1b3a9f6a7
[INFO] running `Command { std: "docker" "start" "-a" "f2ab31d8f4b7370691973c0774ce0ff00a49f57939c522aa9b6c0fa1b3a9f6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ab31d8f4b7370691973c0774ce0ff00a49f57939c522aa9b6c0fa1b3a9f6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ab31d8f4b7370691973c0774ce0ff00a49f57939c522aa9b6c0fa1b3a9f6a7", kill_on_drop: false }`
[INFO] [stdout] f2ab31d8f4b7370691973c0774ce0ff00a49f57939c522aa9b6c0fa1b3a9f6a7


ExecutionFailed(ExitStatus(unix_wait_status(256)))