[INFO] fetching crate omit 1.0.0...
[INFO] checking omit-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate omit 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate omit 1.0.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate omit 1.0.0
[INFO] finished tweaking crates.io crate omit 1.0.0
[INFO] tweaked toml for crates.io crate omit 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate omit 1.0.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5c73b72d953660a231ce2e8e86dd26eb08c7bce338761094012c270dab56f2e
[INFO] running `Command { std: "docker" "start" "-a" "b5c73b72d953660a231ce2e8e86dd26eb08c7bce338761094012c270dab56f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c73b72d953660a231ce2e8e86dd26eb08c7bce338761094012c270dab56f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c73b72d953660a231ce2e8e86dd26eb08c7bce338761094012c270dab56f2e", kill_on_drop: false }`
[INFO] [stdout] b5c73b72d953660a231ce2e8e86dd26eb08c7bce338761094012c270dab56f2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 052d11ae37d0cef9c7830830ec0d0006acb87fb6479bddc7bd7cfb21484fa75b
[INFO] running `Command { std: "docker" "start" "-a" "052d11ae37d0cef9c7830830ec0d0006acb87fb6479bddc7bd7cfb21484fa75b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking cuid-util v0.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking soft-aes v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rng v0.1.0
[INFO] [stderr]     Checking object v0.36.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking cuid2 v0.1.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking base36 v0.0.1
[INFO] [stderr]     Checking cuid v1.3.2
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking omit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "052d11ae37d0cef9c7830830ec0d0006acb87fb6479bddc7bd7cfb21484fa75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052d11ae37d0cef9c7830830ec0d0006acb87fb6479bddc7bd7cfb21484fa75b", kill_on_drop: false }`
[INFO] [stdout] 052d11ae37d0cef9c7830830ec0d0006acb87fb6479bddc7bd7cfb21484fa75b