[INFO] fetching crate cli-app-1298087 0.1.0...
[INFO] building cli-app-1298087-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate cli-app-1298087 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cli-app-1298087 0.1.0 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 cli-app-1298087 0.1.0
[INFO] finished tweaking crates.io crate cli-app-1298087 0.1.0
[INFO] tweaked toml for crates.io crate cli-app-1298087 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cli-app-1298087 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustix v0.38.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2e1c19c7f10e8e21735fa0cc07fecb20602b6db3f9b9717ecc91f3db9392503
[INFO] running `Command { std: "docker" "start" "-a" "f2e1c19c7f10e8e21735fa0cc07fecb20602b6db3f9b9717ecc91f3db9392503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e1c19c7f10e8e21735fa0cc07fecb20602b6db3f9b9717ecc91f3db9392503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e1c19c7f10e8e21735fa0cc07fecb20602b6db3f9b9717ecc91f3db9392503", kill_on_drop: false }`
[INFO] [stdout] f2e1c19c7f10e8e21735fa0cc07fecb20602b6db3f9b9717ecc91f3db9392503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6c4f33dbbaa5b289b080abe5f14e031097feb0aee50819d096bcc2c7eb44c18f
[INFO] running `Command { std: "docker" "start" "-a" "6c4f33dbbaa5b289b080abe5f14e031097feb0aee50819d096bcc2c7eb44c18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.15
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.8
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling cli-app-1298087 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lib.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Err(e) => String::from("Error")
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "6c4f33dbbaa5b289b080abe5f14e031097feb0aee50819d096bcc2c7eb44c18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4f33dbbaa5b289b080abe5f14e031097feb0aee50819d096bcc2c7eb44c18f", kill_on_drop: false }`
[INFO] [stdout] 6c4f33dbbaa5b289b080abe5f14e031097feb0aee50819d096bcc2c7eb44c18f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7bfd176a65940e97be33e64f329dbb586a60dd001e32a8eb3064297dbab44f9c
[INFO] running `Command { std: "docker" "start" "-a" "7bfd176a65940e97be33e64f329dbb586a60dd001e32a8eb3064297dbab44f9c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lib.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Err(e) => String::from("Error")
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cli-app-1298087 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/lib.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Err(e) => String::from("Error")
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7bfd176a65940e97be33e64f329dbb586a60dd001e32a8eb3064297dbab44f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfd176a65940e97be33e64f329dbb586a60dd001e32a8eb3064297dbab44f9c", kill_on_drop: false }`
[INFO] [stdout] 7bfd176a65940e97be33e64f329dbb586a60dd001e32a8eb3064297dbab44f9c