[INFO] fetching crate luthien-plugin 0.1.0...
[INFO] checking luthien-plugin-0.1.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate luthien-plugin 0.1.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate luthien-plugin 0.1.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luthien-plugin 0.1.0
[INFO] finished tweaking crates.io crate luthien-plugin 0.1.0
[INFO] tweaked toml for crates.io crate luthien-plugin 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced0fbb5e1b0e88dea18e1f5a5c9402a905e872ad82c54a685b6082f5856a412
[INFO] running `Command { std: "docker" "start" "-a" "ced0fbb5e1b0e88dea18e1f5a5c9402a905e872ad82c54a685b6082f5856a412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced0fbb5e1b0e88dea18e1f5a5c9402a905e872ad82c54a685b6082f5856a412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced0fbb5e1b0e88dea18e1f5a5c9402a905e872ad82c54a685b6082f5856a412", kill_on_drop: false }`
[INFO] [stdout] ced0fbb5e1b0e88dea18e1f5a5c9402a905e872ad82c54a685b6082f5856a412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1eaef78eaf8ef07b7b3309cb9a08fed097a6a426f8f3f4fb657d5409a3fb860
[INFO] running `Command { std: "docker" "start" "-a" "f1eaef78eaf8ef07b7b3309cb9a08fed097a6a426f8f3f4fb657d5409a3fb860", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking flurry v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking ipipe v0.8.2
[INFO] [stderr]     Checking luthien-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> tests/parse_input.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 |         });
[INFO] [stdout]    |           ^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     let bytes = serde_json::to_vec(&test_json!()).unwrap();
[INFO] [stdout]    |                                     ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `test_json` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "f1eaef78eaf8ef07b7b3309cb9a08fed097a6a426f8f3f4fb657d5409a3fb860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1eaef78eaf8ef07b7b3309cb9a08fed097a6a426f8f3f4fb657d5409a3fb860", kill_on_drop: false }`
[INFO] [stdout] f1eaef78eaf8ef07b7b3309cb9a08fed097a6a426f8f3f4fb657d5409a3fb860