[INFO] cloning repository https://github.com/rcanoaparicio/huffman-coding [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcanoaparicio/huffman-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e364abc8cf8bd2cc67c093eb5f6230890666155 [INFO] checking rcanoaparicio/huffman-coding against master#d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b43d9b9c021d0ff641561083bc94602ce1e9f503366230be5bb9bf25daa5fa9f [INFO] running `Command { std: "docker" "start" "-a" "b43d9b9c021d0ff641561083bc94602ce1e9f503366230be5bb9bf25daa5fa9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b43d9b9c021d0ff641561083bc94602ce1e9f503366230be5bb9bf25daa5fa9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b43d9b9c021d0ff641561083bc94602ce1e9f503366230be5bb9bf25daa5fa9f", kill_on_drop: false }` [INFO] [stdout] b43d9b9c021d0ff641561083bc94602ce1e9f503366230be5bb9bf25daa5fa9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a58e3c006ebab8350e536f9f928a2fecc4dcd683c6243b2937c19f2090907983 [INFO] running `Command { std: "docker" "start" "-a" "a58e3c006ebab8350e536f9f928a2fecc4dcd683c6243b2937c19f2090907983", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.83 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking is_terminal_polyfill v1.70.0 [INFO] [stderr] Checking anstyle-query v1.0.3 [INFO] [stderr] Checking colorchoice v1.0.1 [INFO] [stderr] Checking anstyle v1.0.7 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking anstyle-parse v0.2.4 [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaYxFi3h/lib.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `strsim` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetauNDU5K" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (build script) [INFO] [stderr] error: could not compile `heck` (lib) [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetakdAZ6B" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `anstyle` (lib) due to 1 previous error [INFO] [stderr] error: could not compile `anstyle-parse` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "a58e3c006ebab8350e536f9f928a2fecc4dcd683c6243b2937c19f2090907983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a58e3c006ebab8350e536f9f928a2fecc4dcd683c6243b2937c19f2090907983", kill_on_drop: false }` [INFO] [stdout] a58e3c006ebab8350e536f9f928a2fecc4dcd683c6243b2937c19f2090907983 [INFO] checking rcanoaparicio/huffman-coding against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a90e817ea7d57470e0b466feb1c8c640b5b4f5170e22d2b13021709f7390a8d8 [INFO] running `Command { std: "docker" "start" "-a" "a90e817ea7d57470e0b466feb1c8c640b5b4f5170e22d2b13021709f7390a8d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a90e817ea7d57470e0b466feb1c8c640b5b4f5170e22d2b13021709f7390a8d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a90e817ea7d57470e0b466feb1c8c640b5b4f5170e22d2b13021709f7390a8d8", kill_on_drop: false }` [INFO] [stdout] a90e817ea7d57470e0b466feb1c8c640b5b4f5170e22d2b13021709f7390a8d8 [INFO] checking rcanoaparicio/huffman-coding against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59d565f68d1f7d6366cda390de1a9a0346311e7696b9676f698d5dc6ff6d9582 [INFO] running `Command { std: "docker" "start" "-a" "59d565f68d1f7d6366cda390de1a9a0346311e7696b9676f698d5dc6ff6d9582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59d565f68d1f7d6366cda390de1a9a0346311e7696b9676f698d5dc6ff6d9582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59d565f68d1f7d6366cda390de1a9a0346311e7696b9676f698d5dc6ff6d9582", kill_on_drop: false }` [INFO] [stdout] 59d565f68d1f7d6366cda390de1a9a0346311e7696b9676f698d5dc6ff6d9582 [INFO] checking rcanoaparicio/huffman-coding against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b96a5d37358c6a37b3974fa416969d0086b90817c2ce792cf532bc8f5165cb0 [INFO] running `Command { std: "docker" "start" "-a" "2b96a5d37358c6a37b3974fa416969d0086b90817c2ce792cf532bc8f5165cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b96a5d37358c6a37b3974fa416969d0086b90817c2ce792cf532bc8f5165cb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b96a5d37358c6a37b3974fa416969d0086b90817c2ce792cf532bc8f5165cb0", kill_on_drop: false }` [INFO] [stdout] 2b96a5d37358c6a37b3974fa416969d0086b90817c2ce792cf532bc8f5165cb0 [INFO] checking rcanoaparicio/huffman-coding against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64dafb712626ef7b9b888281d4431006ed813d519f399f608b4d72db8ca7fecf [INFO] running `Command { std: "docker" "start" "-a" "64dafb712626ef7b9b888281d4431006ed813d519f399f608b4d72db8ca7fecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64dafb712626ef7b9b888281d4431006ed813d519f399f608b4d72db8ca7fecf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64dafb712626ef7b9b888281d4431006ed813d519f399f608b4d72db8ca7fecf", kill_on_drop: false }` [INFO] [stdout] 64dafb712626ef7b9b888281d4431006ed813d519f399f608b4d72db8ca7fecf [INFO] checking rcanoaparicio/huffman-coding against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcanoaparicio%2Fhuffman-coding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rcanoaparicio/huffman-coding on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] finished tweaking git repo https://github.com/rcanoaparicio/huffman-coding [INFO] tweaked toml for git repo https://github.com/rcanoaparicio/huffman-coding written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rcanoaparicio/huffman-coding 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55e12978e55cc13e2423efaca0e238abc0875a798574b548c936e7c47f6acae6 [INFO] running `Command { std: "docker" "start" "-a" "55e12978e55cc13e2423efaca0e238abc0875a798574b548c936e7c47f6acae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55e12978e55cc13e2423efaca0e238abc0875a798574b548c936e7c47f6acae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55e12978e55cc13e2423efaca0e238abc0875a798574b548c936e7c47f6acae6", kill_on_drop: false }` [INFO] [stdout] 55e12978e55cc13e2423efaca0e238abc0875a798574b548c936e7c47f6acae6 [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 1 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.