[INFO] fetching crate convert-byte-size-string 1.1.2...
[INFO] building convert-byte-size-string-1.1.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate convert-byte-size-string 1.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate convert-byte-size-string 1.1.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate convert-byte-size-string 1.1.2
[INFO] finished tweaking crates.io crate convert-byte-size-string 1.1.2
[INFO] tweaked toml for crates.io crate convert-byte-size-string 1.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90dcc3cf8135dfe1bc11b41198194685dba3c99eafc402e4cfdd8811519cf1db
[INFO] running `Command { std: "docker" "start" "-a" "90dcc3cf8135dfe1bc11b41198194685dba3c99eafc402e4cfdd8811519cf1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90dcc3cf8135dfe1bc11b41198194685dba3c99eafc402e4cfdd8811519cf1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dcc3cf8135dfe1bc11b41198194685dba3c99eafc402e4cfdd8811519cf1db", kill_on_drop: false }`
[INFO] [stdout] 90dcc3cf8135dfe1bc11b41198194685dba3c99eafc402e4cfdd8811519cf1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f318bd75815dc7d3c4d9be8971c813b471eaf77b7ded4e1e229c2c674bbbf47
[INFO] running `Command { std: "docker" "start" "-a" "1f318bd75815dc7d3c4d9be8971c813b471eaf77b7ded4e1e229c2c674bbbf47", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert-byte-size-string v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "1f318bd75815dc7d3c4d9be8971c813b471eaf77b7ded4e1e229c2c674bbbf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f318bd75815dc7d3c4d9be8971c813b471eaf77b7ded4e1e229c2c674bbbf47", kill_on_drop: false }`
[INFO] [stdout] 1f318bd75815dc7d3c4d9be8971c813b471eaf77b7ded4e1e229c2c674bbbf47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7062e11e0c9a2c5b29df68ec9548506d4a3a13447e1829166499496aa11d428
[INFO] running `Command { std: "docker" "start" "-a" "c7062e11e0c9a2c5b29df68ec9548506d4a3a13447e1829166499496aa11d428", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert-byte-size-string v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:131:54
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Err(ConversionError::InputInvalid(_)) => (return),
[INFO] [stdout]     |                                                      ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -             Err(ConversionError::InputInvalid(_)) => (return),
[INFO] [stdout] 131 +             Err(ConversionError::InputInvalid(_)) => return,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c7062e11e0c9a2c5b29df68ec9548506d4a3a13447e1829166499496aa11d428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7062e11e0c9a2c5b29df68ec9548506d4a3a13447e1829166499496aa11d428", kill_on_drop: false }`
[INFO] [stdout] c7062e11e0c9a2c5b29df68ec9548506d4a3a13447e1829166499496aa11d428