[INFO] fetching crate umcan 0.2.0...
[INFO] checking umcan-0.2.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate umcan 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate umcan 0.2.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate umcan 0.2.0
[INFO] finished tweaking crates.io crate umcan 0.2.0
[INFO] tweaked toml for crates.io crate umcan 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate umcan 0.2.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95706d2964d07bbc03592811b1d2b6ac95e2d829b7aff6ac185a77c046fc9d79
[INFO] running `Command { std: "docker" "start" "-a" "95706d2964d07bbc03592811b1d2b6ac95e2d829b7aff6ac185a77c046fc9d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95706d2964d07bbc03592811b1d2b6ac95e2d829b7aff6ac185a77c046fc9d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95706d2964d07bbc03592811b1d2b6ac95e2d829b7aff6ac185a77c046fc9d79", kill_on_drop: false }`
[INFO] [stdout] 95706d2964d07bbc03592811b1d2b6ac95e2d829b7aff6ac185a77c046fc9d79
[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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae83c7570a294d62ab1ab1b9e3bfa38535b906707695b4dc48fc80bb3a7ba5e
[INFO] running `Command { std: "docker" "start" "-a" "7ae83c7570a294d62ab1ab1b9e3bfa38535b906707695b4dc48fc80bb3a7ba5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling binrw_derive v0.11.2
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling binrw v0.11.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking socketcan v2.0.0
[INFO] [stderr]     Checking umcan v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.06s
[INFO] running `Command { std: "docker" "inspect" "7ae83c7570a294d62ab1ab1b9e3bfa38535b906707695b4dc48fc80bb3a7ba5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae83c7570a294d62ab1ab1b9e3bfa38535b906707695b4dc48fc80bb3a7ba5e", kill_on_drop: false }`
[INFO] [stdout] 7ae83c7570a294d62ab1ab1b9e3bfa38535b906707695b4dc48fc80bb3a7ba5e