[INFO] fetching crate focuson_cas 0.0.1...
[INFO] checking focuson_cas-0.0.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate focuson_cas 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate focuson_cas 0.0.1
[INFO] finished tweaking crates.io crate focuson_cas 0.0.1
[INFO] tweaked toml for crates.io crate focuson_cas 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate focuson_cas 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[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 block-buffer v0.11.0-rc.4
[INFO] [stderr]   Downloaded digest v0.11.0-rc.0
[INFO] [stderr]   Downloaded hybrid-array v0.3.1
[INFO] [stderr]   Downloaded const-oid v0.10.1
[INFO] [stderr]   Downloaded sha1 v0.11.0-rc.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e604e86fad003ea3dc9bd50475f9b7f8d8a65c66fb2d6cd764dc5d4de4d18167
[INFO] running `Command { std: "docker" "start" "-a" "e604e86fad003ea3dc9bd50475f9b7f8d8a65c66fb2d6cd764dc5d4de4d18167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e604e86fad003ea3dc9bd50475f9b7f8d8a65c66fb2d6cd764dc5d4de4d18167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e604e86fad003ea3dc9bd50475f9b7f8d8a65c66fb2d6cd764dc5d4de4d18167", kill_on_drop: false }`
[INFO] [stdout] e604e86fad003ea3dc9bd50475f9b7f8d8a65c66fb2d6cd764dc5d4de4d18167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6d883b4c45449ef9d8164c205ea73389ae1dcd2d4cb5fb6364c2be061f380cc1
[INFO] running `Command { std: "docker" "start" "-a" "6d883b4c45449ef9d8164c205ea73389ae1dcd2d4cb5fb6364c2be061f380cc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking const-oid v0.10.1
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking hybrid-array v0.3.1
[INFO] [stderr]     Checking crypto-common v0.2.0-rc.3
[INFO] [stderr]     Checking block-buffer v0.11.0-rc.4
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking digest v0.11.0-rc.0
[INFO] [stderr]     Checking sha1 v0.11.0-rc.0
[INFO] [stderr]     Checking focuson_cas v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/file_system_cas.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Error, ErrorKind, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/file_system_cas.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Error, ErrorKind, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "6d883b4c45449ef9d8164c205ea73389ae1dcd2d4cb5fb6364c2be061f380cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d883b4c45449ef9d8164c205ea73389ae1dcd2d4cb5fb6364c2be061f380cc1", kill_on_drop: false }`
[INFO] [stdout] 6d883b4c45449ef9d8164c205ea73389ae1dcd2d4cb5fb6364c2be061f380cc1