[INFO] cloning repository https://github.com/uddhavdave/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uddhavdave/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuddhavdave%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuddhavdave%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06e7fcaa050b29061cbf7b11e697fd5da62818a7
[INFO] checking uddhavdave/huffman against master#d93f678fa55842cccd2f091deccd93e9494b3764 for pr-138844
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuddhavdave%2Fhuffman" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uddhavdave/huffman on toolchain d93f678fa55842cccd2f091deccd93e9494b3764
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uddhavdave/huffman
[INFO] finished tweaking git repo https://github.com/uddhavdave/huffman
[INFO] tweaked toml for git repo https://github.com/uddhavdave/huffman written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/uddhavdave/huffman 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" "+d93f678fa55842cccd2f091deccd93e9494b3764" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstream v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cb315961e6c3a2671a602220576b6cc8715b397879235ddeeed30b7ec6741fe
[INFO] running `Command { std: "docker" "start" "-a" "7cb315961e6c3a2671a602220576b6cc8715b397879235ddeeed30b7ec6741fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb315961e6c3a2671a602220576b6cc8715b397879235ddeeed30b7ec6741fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb315961e6c3a2671a602220576b6cc8715b397879235ddeeed30b7ec6741fe", kill_on_drop: false }`
[INFO] [stdout] 7cb315961e6c3a2671a602220576b6cc8715b397879235ddeeed30b7ec6741fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d93f678fa55842cccd2f091deccd93e9494b3764" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d28faeb1a07bcb33dc9bd577e85b7d699cd7196c38831c0741805f8cfab536
[INFO] running `Command { std: "docker" "start" "-a" "50d28faeb1a07bcb33dc9bd577e85b7d699cd7196c38831c0741805f8cfab536", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking anstream v0.6.10
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "50d28faeb1a07bcb33dc9bd577e85b7d699cd7196c38831c0741805f8cfab536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d28faeb1a07bcb33dc9bd577e85b7d699cd7196c38831c0741805f8cfab536", kill_on_drop: false }`
[INFO] [stdout] 50d28faeb1a07bcb33dc9bd577e85b7d699cd7196c38831c0741805f8cfab536