[INFO] fetching crate syntax-rust 0.4.1...
[INFO] building syntax-rust-0.4.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate syntax-rust 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate syntax-rust 0.4.1
[INFO] finished tweaking crates.io crate syntax-rust 0.4.1
[INFO] tweaked toml for crates.io crate syntax-rust 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate syntax-rust 0.4.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding logos v0.11.4 (available: v0.15.1)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.18.0
[INFO] [stderr]   Downloaded dialect v0.4.1
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6088a804f2ae08689a6754a40e87914510f3ff587b3bcc4027f5f2dbf1bacc
[INFO] running `Command { std: "docker" "start" "-a" "1d6088a804f2ae08689a6754a40e87914510f3ff587b3bcc4027f5f2dbf1bacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6088a804f2ae08689a6754a40e87914510f3ff587b3bcc4027f5f2dbf1bacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6088a804f2ae08689a6754a40e87914510f3ff587b3bcc4027f5f2dbf1bacc", kill_on_drop: false }`
[INFO] [stdout] 1d6088a804f2ae08689a6754a40e87914510f3ff587b3bcc4027f5f2dbf1bacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea0a70fb8d44afe9ce29b61645de62a1e750ddc3ff33761e4f028eb7340a63f
[INFO] running `Command { std: "docker" "start" "-a" "7ea0a70fb8d44afe9ce29b61645de62a1e750ddc3ff33761e4f028eb7340a63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling smol_str v0.1.24
[INFO] [stderr]    Compiling dialect v0.4.1
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling logos v0.11.4
[INFO] [stderr]    Compiling syntax-rust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "7ea0a70fb8d44afe9ce29b61645de62a1e750ddc3ff33761e4f028eb7340a63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea0a70fb8d44afe9ce29b61645de62a1e750ddc3ff33761e4f028eb7340a63f", kill_on_drop: false }`
[INFO] [stdout] 7ea0a70fb8d44afe9ce29b61645de62a1e750ddc3ff33761e4f028eb7340a63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 999111321e92fe287498957161f606dcb99cf8531e43641225d6fcfe34f17d8e
[INFO] running `Command { std: "docker" "start" "-a" "999111321e92fe287498957161f606dcb99cf8531e43641225d6fcfe34f17d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling syntax-rust v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "999111321e92fe287498957161f606dcb99cf8531e43641225d6fcfe34f17d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999111321e92fe287498957161f606dcb99cf8531e43641225d6fcfe34f17d8e", kill_on_drop: false }`
[INFO] [stdout] 999111321e92fe287498957161f606dcb99cf8531e43641225d6fcfe34f17d8e