[INFO] fetching crate package-manager 0.1.0...
[INFO] checking package-manager-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate package-manager 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate package-manager 0.1.0
[INFO] finished tweaking crates.io crate package-manager 0.1.0
[INFO] tweaked toml for crates.io crate package-manager 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate package-manager 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate package-manager 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6181c53c34b295a84cb1969c6022d853ce6975471ee72c4c2e11f25a10a6ae74
[INFO] running `Command { std: "docker" "start" "-a" "6181c53c34b295a84cb1969c6022d853ce6975471ee72c4c2e11f25a10a6ae74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6181c53c34b295a84cb1969c6022d853ce6975471ee72c4c2e11f25a10a6ae74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6181c53c34b295a84cb1969c6022d853ce6975471ee72c4c2e11f25a10a6ae74", kill_on_drop: false }`
[INFO] [stdout] 6181c53c34b295a84cb1969c6022d853ce6975471ee72c4c2e11f25a10a6ae74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f52d353bc0792580a68b4265ad5bfd0c570b7f90e1579f43efc3b96773e24f8
[INFO] running `Command { std: "docker" "start" "-a" "7f52d353bc0792580a68b4265ad5bfd0c570b7f90e1579f43efc3b96773e24f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking package-manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |             writeln!(writer, "{}", line);
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.60s
[INFO] running `Command { std: "docker" "inspect" "7f52d353bc0792580a68b4265ad5bfd0c570b7f90e1579f43efc3b96773e24f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f52d353bc0792580a68b4265ad5bfd0c570b7f90e1579f43efc3b96773e24f8", kill_on_drop: false }`
[INFO] [stdout] 7f52d353bc0792580a68b4265ad5bfd0c570b7f90e1579f43efc3b96773e24f8