[INFO] cloning repository https://github.com/matklad/rowan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/rowan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Frowan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Frowan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 478d6e0e2337cf65c27401242e78bb606f96e41d
[INFO] checking matklad/rowan against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Frowan" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/rowan on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/rowan
[INFO] finished tweaking git repo https://github.com/matklad/rowan
[INFO] tweaked toml for git repo https://github.com/matklad/rowan written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd0890cb59e62414202fab2e1471231f87605a2c8ba8844d0cc9cd47dde3fd05
[INFO] running `Command { std: "docker" "start" "-a" "cd0890cb59e62414202fab2e1471231f87605a2c8ba8844d0cc9cd47dde3fd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd0890cb59e62414202fab2e1471231f87605a2c8ba8844d0cc9cd47dde3fd05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0890cb59e62414202fab2e1471231f87605a2c8ba8844d0cc9cd47dde3fd05", kill_on_drop: false }`
[INFO] [stdout] cd0890cb59e62414202fab2e1471231f87605a2c8ba8844d0cc9cd47dde3fd05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d473737cdf117bc6ab0d49247634e9f4e043aa075140aa0188f981b5c3120a2
[INFO] running `Command { std: "docker" "start" "-a" "3d473737cdf117bc6ab0d49247634e9f4e043aa075140aa0188f981b5c3120a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]    Compiling xshell-macros v0.1.17
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rowan v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking xshell v0.1.17
[INFO] [stderr]     Checking xaction v0.2.4
[INFO] [stderr]     Checking xtask v0.0.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "3d473737cdf117bc6ab0d49247634e9f4e043aa075140aa0188f981b5c3120a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d473737cdf117bc6ab0d49247634e9f4e043aa075140aa0188f981b5c3120a2", kill_on_drop: false }`
[INFO] [stdout] 3d473737cdf117bc6ab0d49247634e9f4e043aa075140aa0188f981b5c3120a2