[INFO] fetching crate calculator-backend 0.1.14...
[INFO] checking calculator-backend-0.1.14 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate calculator-backend 0.1.14 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate calculator-backend 0.1.14
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate calculator-backend 0.1.14
[INFO] tweaked toml for crates.io crate calculator-backend 0.1.14 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate calculator-backend 0.1.14 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 calculator-backend 0.1.14 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 788db80aaf38b671b0be14faf208cc394eca6fe4cf313c5f0b9d4ab4d26dcadd
[INFO] running `Command { std: "docker" "start" "-a" "788db80aaf38b671b0be14faf208cc394eca6fe4cf313c5f0b9d4ab4d26dcadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788db80aaf38b671b0be14faf208cc394eca6fe4cf313c5f0b9d4ab4d26dcadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788db80aaf38b671b0be14faf208cc394eca6fe4cf313c5f0b9d4ab4d26dcadd", kill_on_drop: false }`
[INFO] [stdout] 788db80aaf38b671b0be14faf208cc394eca6fe4cf313c5f0b9d4ab4d26dcadd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5cf0831864d480571736e489ccec7a644fce2f3ac95d6490396e6dfab46a9586
[INFO] running `Command { std: "docker" "start" "-a" "5cf0831864d480571736e489ccec7a644fce2f3ac95d6490396e6dfab46a9586", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling calculator-backend v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c: In function 'needs_parentheses':
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c:579:32: warning: multi-character character constant [-Wmultichar]
[INFO] [stderr] warning: calculator-backend@0.1.14:   579 |         if (op == '!' || op == '√') return true;
[INFO] [stderr] warning: calculator-backend@0.1.14:       |                                ^~~
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c:579:29: warning: comparison is always false due to limited range of data type [-Wtype-limits]
[INFO] [stderr] warning: calculator-backend@0.1.14:   579 |         if (op == '!' || op == '√') return true;
[INFO] [stderr] warning: calculator-backend@0.1.14:       |                             ^~
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c: In function 'apply_operator':
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c:390:14: warning: 'result' may be used uninitialized [-Wmaybe-uninitialized]
[INFO] [stderr] warning: calculator-backend@0.1.14:   390 |     result = round_to_9_decimals(result);
[INFO] [stderr] warning: calculator-backend@0.1.14:       |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: calculator-backend@0.1.14: c_library/calculator.c:268:12: note: 'result' was declared here
[INFO] [stderr] warning: calculator-backend@0.1.14:   268 |     double result;
[INFO] [stderr] warning: calculator-backend@0.1.14:       |            ^~~~~~
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "5cf0831864d480571736e489ccec7a644fce2f3ac95d6490396e6dfab46a9586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf0831864d480571736e489ccec7a644fce2f3ac95d6490396e6dfab46a9586", kill_on_drop: false }`
[INFO] [stdout] 5cf0831864d480571736e489ccec7a644fce2f3ac95d6490396e6dfab46a9586