[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] 86ee9562e766829d49f25dd6dfbcc7706c49f798
[INFO] checking matklad/rowan against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Frowan" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/rowan on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xshell-macros v0.1.14
[INFO] [stderr]   Downloaded xshell v0.1.14
[INFO] [stderr]   Downloaded xaction v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7914ed26e03c49fa2e15ca896b56976e4217ffe36a4f9533cb15c4483de0e9a
[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" "b7914ed26e03c49fa2e15ca896b56976e4217ffe36a4f9533cb15c4483de0e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7914ed26e03c49fa2e15ca896b56976e4217ffe36a4f9533cb15c4483de0e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7914ed26e03c49fa2e15ca896b56976e4217ffe36a4f9533cb15c4483de0e9a", kill_on_drop: false }`
[INFO] [stdout] b7914ed26e03c49fa2e15ca896b56976e4217ffe36a4f9533cb15c4483de0e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 391f2977da448f2e0596f5447f1dd96d0112a88e9f1b19c3e38ffecfb660ad65
[INFO] running `Command { std: "docker" "start" "-a" "391f2977da448f2e0596f5447f1dd96d0112a88e9f1b19c3e38ffecfb660ad65", kill_on_drop: false }`
[INFO] [stderr]    Compiling xshell-macros v0.1.14
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking m_lexer v0.0.4
[INFO] [stderr]     Checking rowan v0.13.0-pre.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking xshell v0.1.14
[INFO] [stderr]     Checking xaction v0.2.4
[INFO] [stderr]     Checking xtask v0.0.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "391f2977da448f2e0596f5447f1dd96d0112a88e9f1b19c3e38ffecfb660ad65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391f2977da448f2e0596f5447f1dd96d0112a88e9f1b19c3e38ffecfb660ad65", kill_on_drop: false }`
[INFO] [stdout] 391f2977da448f2e0596f5447f1dd96d0112a88e9f1b19c3e38ffecfb660ad65