[INFO] fetching crate gram 0.0.4...
[INFO] checking gram-0.0.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate gram 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gram 0.0.4 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 gram 0.0.4
[INFO] finished tweaking crates.io crate gram 0.0.4
[INFO] tweaked toml for crates.io crate gram 0.0.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate gram 0.0.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8b8fc9c2df1f57d379b876f217ca542f33276f1bcef62135daf5f7ef14528436
[INFO] running `Command { std: "docker" "start" "-a" "8b8fc9c2df1f57d379b876f217ca542f33276f1bcef62135daf5f7ef14528436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8fc9c2df1f57d379b876f217ca542f33276f1bcef62135daf5f7ef14528436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8fc9c2df1f57d379b876f217ca542f33276f1bcef62135daf5f7ef14528436", kill_on_drop: false }`
[INFO] [stdout] 8b8fc9c2df1f57d379b876f217ca542f33276f1bcef62135daf5f7ef14528436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 474d58e8a92b22cf698947c199feeebe57b21ef6c1c7c3ad7c9b93f72872a575
[INFO] running `Command { std: "docker" "start" "-a" "474d58e8a92b22cf698947c199feeebe57b21ef6c1c7c3ad7c9b93f72872a575", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking gram v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: elided lifetime has a name
[INFO] [stdout]   --> src/error.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn source<'a>(&'a self) -> Option<&(dyn error::Error + 'static)> {
[INFO] [stdout]    |               --                      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:40
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(clippy::all, clippy::pedantic, warnings)]
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(elided_named_lifetimes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: elided lifetime has a name
[INFO] [stdout]   --> src/error.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn source<'a>(&'a self) -> Option<&(dyn error::Error + 'static)> {
[INFO] [stdout]    |               --                      ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               lifetime `'a` declared here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:40
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(clippy::all, clippy::pedantic, warnings)]
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(elided_named_lifetimes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gram` (bin "gram") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gram` (bin "gram" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "474d58e8a92b22cf698947c199feeebe57b21ef6c1c7c3ad7c9b93f72872a575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474d58e8a92b22cf698947c199feeebe57b21ef6c1c7c3ad7c9b93f72872a575", kill_on_drop: false }`
[INFO] [stdout] 474d58e8a92b22cf698947c199feeebe57b21ef6c1c7c3ad7c9b93f72872a575