[INFO] fetching crate mbeah-grrs 0.1.0...
[INFO] checking mbeah-grrs-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate mbeah-grrs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mbeah-grrs 0.1.0
[INFO] finished tweaking crates.io crate mbeah-grrs 0.1.0
[INFO] tweaked toml for crates.io crate mbeah-grrs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mbeah-grrs 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mbeah-grrs 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7919eb3b91a6b9832b8e0fa99b9c47a672ea4541ab286e9d5063e01605f659c
[INFO] running `Command { std: "docker" "start" "-a" "e7919eb3b91a6b9832b8e0fa99b9c47a672ea4541ab286e9d5063e01605f659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7919eb3b91a6b9832b8e0fa99b9c47a672ea4541ab286e9d5063e01605f659c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7919eb3b91a6b9832b8e0fa99b9c47a672ea4541ab286e9d5063e01605f659c", kill_on_drop: false }`
[INFO] [stdout] e7919eb3b91a6b9832b8e0fa99b9c47a672ea4541ab286e9d5063e01605f659c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e3f64b0553ef78bf807395806ab8d40fc4705af9db1b60324e173425615ef86
[INFO] running `Command { std: "docker" "start" "-a" "8e3f64b0553ef78bf807395806ab8d40fc4705af9db1b60324e173425615ef86", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking globwalk v0.9.1
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking assert_fs v1.1.1
[INFO] [stderr]     Checking mbeah-grrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |             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] 5 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |             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] 5 |             let _ = writeln!(writer, "{}", line);
[INFO] [stdout]   |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pb`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let pb = indicatif::ProgressBar::new(100);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_pb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pb`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let pb = indicatif::ProgressBar::new(100);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_pb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cmd`
[INFO] [stdout]  --> tests/cli.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use assert_cmd::{cmd, prelude::*}; // add methods on commands
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomError` is never constructed
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CustomError(String);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CustomError` is never constructed
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CustomError(String);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.86s
[INFO] running `Command { std: "docker" "inspect" "8e3f64b0553ef78bf807395806ab8d40fc4705af9db1b60324e173425615ef86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3f64b0553ef78bf807395806ab8d40fc4705af9db1b60324e173425615ef86", kill_on_drop: false }`
[INFO] [stdout] 8e3f64b0553ef78bf807395806ab8d40fc4705af9db1b60324e173425615ef86