[INFO] fetching crate tracers-core 0.1.0...
[INFO] checking tracers-core-0.1.0 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate tracers-core 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tracers-core 0.1.0 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracers-core 0.1.0
[INFO] finished tweaking crates.io crate tracers-core 0.1.0
[INFO] tweaked toml for crates.io crate tracers-core 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7edc5ba0a0bffca22f373d624e4e95927bf6d3904b56ee7972dc726c905e1c52
[INFO] running `Command { std: "docker" "start" "-a" "7edc5ba0a0bffca22f373d624e4e95927bf6d3904b56ee7972dc726c905e1c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7edc5ba0a0bffca22f373d624e4e95927bf6d3904b56ee7972dc726c905e1c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edc5ba0a0bffca22f373d624e4e95927bf6d3904b56ee7972dc726c905e1c52", kill_on_drop: false }`
[INFO] [stdout] 7edc5ba0a0bffca22f373d624e4e95927bf6d3904b56ee7972dc726c905e1c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 923b84018dce5a131e5e46340a84408211ab59d53c362757412c18cd50588a64
[INFO] running `Command { std: "docker" "start" "-a" "923b84018dce5a131e5e46340a84408211ab59d53c362757412c18cd50588a64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling gimli v0.27.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking backtrace v0.3.67
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tracers-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]   --> src/argtypes/pointer.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracers-core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "923b84018dce5a131e5e46340a84408211ab59d53c362757412c18cd50588a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923b84018dce5a131e5e46340a84408211ab59d53c362757412c18cd50588a64", kill_on_drop: false }`
[INFO] [stdout] 923b84018dce5a131e5e46340a84408211ab59d53c362757412c18cd50588a64
