[INFO] cloning repository https://github.com/AndreyBakulev/huffman-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreyBakulev/huffman-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2Fhuffman-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2Fhuffman-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2529938fd21a2b4a930c318ea943731801021b80
[INFO] checking AndreyBakulev/huffman-Rust against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreyBakulev%2Fhuffman-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AndreyBakulev/huffman-Rust
[INFO] finished tweaking git repo https://github.com/AndreyBakulev/huffman-Rust
[INFO] tweaked toml for git repo https://github.com/AndreyBakulev/huffman-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AndreyBakulev/huffman-Rust on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AndreyBakulev/huffman-Rust 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc5fdffadfec69d1131a06c92354bf07c1654ee4591f44277dc1360f6768059e
[INFO] running `Command { std: "docker" "start" "-a" "cc5fdffadfec69d1131a06c92354bf07c1654ee4591f44277dc1360f6768059e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc5fdffadfec69d1131a06c92354bf07c1654ee4591f44277dc1360f6768059e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5fdffadfec69d1131a06c92354bf07c1654ee4591f44277dc1360f6768059e", kill_on_drop: false }`
[INFO] [stdout] cc5fdffadfec69d1131a06c92354bf07c1654ee4591f44277dc1360f6768059e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf1e5e88a1b12c4a591b1ee29c3cb70b3c994511371da4a4d3f10a26fd32fb3
[INFO] running `Command { std: "docker" "start" "-a" "faf1e5e88a1b12c4a591b1ee29c3cb70b3c994511371da4a4d3f10a26fd32fb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking Huffman-coding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error[E0432]: unresolved import `crate::huffman`
[INFO] [stdout]  --> benches/huffman_benchmark.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::huffman::*;
[INFO] [stdout]   |            ^^^^^^^ could not find `huffman` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Huffman-coding` (bench "huffman_benchmark") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "faf1e5e88a1b12c4a591b1ee29c3cb70b3c994511371da4a4d3f10a26fd32fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf1e5e88a1b12c4a591b1ee29c3cb70b3c994511371da4a4d3f10a26fd32fb3", kill_on_drop: false }`
[INFO] [stdout] faf1e5e88a1b12c4a591b1ee29c3cb70b3c994511371da4a4d3f10a26fd32fb3
