[INFO] cloning repository https://github.com/flauntingspade4/huffman-comprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flauntingspade4/huffman-comprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflauntingspade4%2Fhuffman-comprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflauntingspade4%2Fhuffman-comprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6997af6ad8d0dda43c8e64143ab1b92bba189f5
[INFO] checking flauntingspade4/huffman-comprs against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflauntingspade4%2Fhuffman-comprs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flauntingspade4/huffman-comprs on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flauntingspade4/huffman-comprs
[INFO] finished tweaking git repo https://github.com/flauntingspade4/huffman-comprs
[INFO] tweaked toml for git repo https://github.com/flauntingspade4/huffman-comprs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/flauntingspade4/huffman-comprs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5849144cbf7a0def5000779a130dfef51dc683c6c07e4eebe802c1fd2144b1d5
[INFO] running `Command { std: "docker" "start" "-a" "5849144cbf7a0def5000779a130dfef51dc683c6c07e4eebe802c1fd2144b1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5849144cbf7a0def5000779a130dfef51dc683c6c07e4eebe802c1fd2144b1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5849144cbf7a0def5000779a130dfef51dc683c6c07e4eebe802c1fd2144b1d5", kill_on_drop: false }`
[INFO] [stdout] 5849144cbf7a0def5000779a130dfef51dc683c6c07e4eebe802c1fd2144b1d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75bd201bf7a30d4f79a2836404bf1b4a3bd1abdfeb6822b4eaa6addcb96eeba6
[INFO] running `Command { std: "docker" "start" "-a" "75bd201bf7a30d4f79a2836404bf1b4a3bd1abdfeb6822b4eaa6addcb96eeba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking huffman-comprs v0.1.0 (/opt/rustwide/workdir/huffman-comprs)
[INFO] [stderr]     Checking huffman-comprs-cli v0.1.0 (/opt/rustwide/workdir/huffman-comprs-cli)
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.59s
[INFO] running `Command { std: "docker" "inspect" "75bd201bf7a30d4f79a2836404bf1b4a3bd1abdfeb6822b4eaa6addcb96eeba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75bd201bf7a30d4f79a2836404bf1b4a3bd1abdfeb6822b4eaa6addcb96eeba6", kill_on_drop: false }`
[INFO] [stdout] 75bd201bf7a30d4f79a2836404bf1b4a3bd1abdfeb6822b4eaa6addcb96eeba6