[INFO] fetching crate parse-variants 1.0.4...
[INFO] checking parse-variants-1.0.4 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate parse-variants 1.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate parse-variants 1.0.4 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parse-variants 1.0.4
[INFO] finished tweaking crates.io crate parse-variants 1.0.4
[INFO] tweaked toml for crates.io crate parse-variants 1.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate parse-variants 1.0.4 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" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macrotest v1.0.13
[INFO] [stderr]   Downloaded parse-variants-derive v1.0.0
[INFO] [stderr]   Downloaded basic-toml v0.1.9
[INFO] [stderr]   Downloaded prettyplease v0.2.20
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] [stderr]   Downloaded assert2-macros v0.3.14
[INFO] [stderr]   Downloaded assert2 v0.3.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d6a08ec9cc39a6587b4c3e42e865e5e186aa39d7aec2939e43046b4c8445ce
[INFO] running `Command { std: "docker" "start" "-a" "f6d6a08ec9cc39a6587b4c3e42e865e5e186aa39d7aec2939e43046b4c8445ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d6a08ec9cc39a6587b4c3e42e865e5e186aa39d7aec2939e43046b4c8445ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d6a08ec9cc39a6587b4c3e42e865e5e186aa39d7aec2939e43046b4c8445ce", kill_on_drop: false }`
[INFO] [stdout] f6d6a08ec9cc39a6587b4c3e42e865e5e186aa39d7aec2939e43046b4c8445ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378c371055f91ed965832fc231a09569218d1a31c8ce476ffb8a82f3cfa93afc
[INFO] running `Command { std: "docker" "start" "-a" "378c371055f91ed965832fc231a09569218d1a31c8ce476ffb8a82f3cfa93afc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling assert2-macros v0.3.14
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling parse-variants-derive v1.0.0
[INFO] [stderr]     Checking basic-toml v0.1.9
[INFO] [stderr]     Checking parse-variants v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert2 v0.3.14
[INFO] [stderr]     Checking macrotest v1.0.13
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "378c371055f91ed965832fc231a09569218d1a31c8ce476ffb8a82f3cfa93afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378c371055f91ed965832fc231a09569218d1a31c8ce476ffb8a82f3cfa93afc", kill_on_drop: false }`
[INFO] [stdout] 378c371055f91ed965832fc231a09569218d1a31c8ce476ffb8a82f3cfa93afc