[INFO] fetching crate revent 0.29.0...
[INFO] checking revent-0.29.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate revent 0.29.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate revent 0.29.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate revent 0.29.0
[INFO] finished tweaking crates.io crate revent 0.29.0
[INFO] tweaked toml for crates.io crate revent 0.29.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate revent 0.29.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.63
[INFO] [stderr]   Downloaded js-sys v0.3.40
[INFO] [stderr]   Downloaded criterion-plot v0.4.2
[INFO] [stderr]   Downloaded oorandom v11.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded criterion v0.3.2
[INFO] [stderr]   Downloaded quickcheck_macros v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.63
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.63
[INFO] [stderr]   Downloaded web-sys v0.3.40
[INFO] [stderr]   Downloaded isize-vec v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b0a565de9aac952f2a4be851e974980d0da63d75173276b1328fe33a19aac17
[INFO] running `Command { std: "docker" "start" "-a" "7b0a565de9aac952f2a4be851e974980d0da63d75173276b1328fe33a19aac17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0a565de9aac952f2a4be851e974980d0da63d75173276b1328fe33a19aac17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0a565de9aac952f2a4be851e974980d0da63d75173276b1328fe33a19aac17", kill_on_drop: false }`
[INFO] [stdout] 7b0a565de9aac952f2a4be851e974980d0da63d75173276b1328fe33a19aac17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4213507a6eff5492251bf186af5234a427cb4eaa553ad143b4883f7225c09e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f4213507a6eff5492251bf186af5234a427cb4eaa553ad143b4883f7225c09e", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking isize-vec v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking revent v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:218:10
[INFO] [stdout]     |
[INFO] [stdout] 218 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> benches/basic.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "8f4213507a6eff5492251bf186af5234a427cb4eaa553ad143b4883f7225c09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4213507a6eff5492251bf186af5234a427cb4eaa553ad143b4883f7225c09e", kill_on_drop: false }`
[INFO] [stdout] 8f4213507a6eff5492251bf186af5234a427cb4eaa553ad143b4883f7225c09e