[INFO] fetching crate calculator-lib 0.1.1...
[INFO] checking calculator-lib-0.1.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate calculator-lib 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate calculator-lib 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate calculator-lib 0.1.1
[INFO] tweaked toml for crates.io crate calculator-lib 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate calculator-lib 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.16)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e4e80e9f45d44761ad4b77904d9e5d99a7a1e0cf512d6f0912c5c92555d77304
[INFO] running `Command { std: "docker" "start" "-a" "e4e80e9f45d44761ad4b77904d9e5d99a7a1e0cf512d6f0912c5c92555d77304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e80e9f45d44761ad4b77904d9e5d99a7a1e0cf512d6f0912c5c92555d77304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e80e9f45d44761ad4b77904d9e5d99a7a1e0cf512d6f0912c5c92555d77304", kill_on_drop: false }`
[INFO] [stdout] e4e80e9f45d44761ad4b77904d9e5d99a7a1e0cf512d6f0912c5c92555d77304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 932e40ba0089fd625a3f3fcb86277bef1de1551203e72852c1b69a29812a8712
[INFO] running `Command { std: "docker" "start" "-a" "932e40ba0089fd625a3f3fcb86277bef1de1551203e72852c1b69a29812a8712", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]     Checking calculator-lib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `last_expr` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut last_expr: Option<Expression> = None;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_expr` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_expr` is never read
[INFO] [stdout]    --> src/lib.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             last_expr = Some(expression.clone());
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `last_expr` is assigned to, but never used
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut last_expr: Option<Expression> = None;
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_last_expr` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_expr` is never read
[INFO] [stdout]    --> src/lib.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             last_expr = Some(expression.clone());
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "932e40ba0089fd625a3f3fcb86277bef1de1551203e72852c1b69a29812a8712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932e40ba0089fd625a3f3fcb86277bef1de1551203e72852c1b69a29812a8712", kill_on_drop: false }`
[INFO] [stdout] 932e40ba0089fd625a3f3fcb86277bef1de1551203e72852c1b69a29812a8712