[INFO] cloning repository https://github.com/duckling747/arithmetic_coding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duckling747/arithmetic_coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Farithmetic_coding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Farithmetic_coding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b13db63bee4d41d7e1e9ed4bc072d55e9726a0b1
[INFO] checking duckling747/arithmetic_coding against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduckling747%2Farithmetic_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] started tweaking git repo https://github.com/duckling747/arithmetic_coding
[INFO] finished tweaking git repo https://github.com/duckling747/arithmetic_coding
[INFO] tweaked toml for git repo https://github.com/duckling747/arithmetic_coding written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/duckling747/arithmetic_coding on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/duckling747/arithmetic_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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.3.1
[INFO] [stderr]   Downloaded wit-bindgen-rt v0.33.0
[INFO] [stderr]   Downloaded rand_chacha v0.9.0
[INFO] [stderr]   Downloaded rand_core v0.9.3
[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded rand v0.9.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.21
[INFO] [stderr]   Downloaded wasi v0.13.3+wasi-0.2.2
[INFO] [stderr]   Downloaded zerocopy v0.8.21
[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] [stderr]   Downloaded libc v0.2.170
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7486c3a0256c42d198c2dbdf41a5a419fc6bd4ecd791461a1c9db6d50de27a7f
[INFO] running `Command { std: "docker" "start" "-a" "7486c3a0256c42d198c2dbdf41a5a419fc6bd4ecd791461a1c9db6d50de27a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7486c3a0256c42d198c2dbdf41a5a419fc6bd4ecd791461a1c9db6d50de27a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7486c3a0256c42d198c2dbdf41a5a419fc6bd4ecd791461a1c9db6d50de27a7f", kill_on_drop: false }`
[INFO] [stdout] 7486c3a0256c42d198c2dbdf41a5a419fc6bd4ecd791461a1c9db6d50de27a7f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a282abf0d3a02f395c495084abe91ad02985cfae4db21921592347f4c2ec034
[INFO] running `Command { std: "docker" "start" "-a" "8a282abf0d3a02f395c495084abe91ad02985cfae4db21921592347f4c2ec034", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking simple-arithmetic-coding v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.03s
[INFO] running `Command { std: "docker" "inspect" "8a282abf0d3a02f395c495084abe91ad02985cfae4db21921592347f4c2ec034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a282abf0d3a02f395c495084abe91ad02985cfae4db21921592347f4c2ec034", kill_on_drop: false }`
[INFO] [stdout] 8a282abf0d3a02f395c495084abe91ad02985cfae4db21921592347f4c2ec034