[INFO] cloning repository https://github.com/gentoo90/rust_syntax_visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gentoo90/rust_syntax_visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgentoo90%2Frust_syntax_visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgentoo90%2Frust_syntax_visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2cc2f7c545ceafc5629f631a290c4455ca2665f
[INFO] checking gentoo90/rust_syntax_visualizer against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgentoo90%2Frust_syntax_visualizer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gentoo90/rust_syntax_visualizer on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gentoo90/rust_syntax_visualizer
[INFO] finished tweaking git repo https://github.com/gentoo90/rust_syntax_visualizer
[INFO] tweaked toml for git repo https://github.com/gentoo90/rust_syntax_visualizer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/gentoo90/rust_syntax_visualizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded rustc_version v0.2.1
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded gtk-source-sys v0.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.6
[INFO] [stderr]   Downloaded extprim v1.4.0
[INFO] [stderr]   Downloaded serde v1.0.21
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] [stderr]   Downloaded serde_derive v1.0.21
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded sourceview v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644b6cc31dcd43b225c626e7d8b497cde847dacf0a2ea70b583b0d50aa5adf36
[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" "644b6cc31dcd43b225c626e7d8b497cde847dacf0a2ea70b583b0d50aa5adf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644b6cc31dcd43b225c626e7d8b497cde847dacf0a2ea70b583b0d50aa5adf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644b6cc31dcd43b225c626e7d8b497cde847dacf0a2ea70b583b0d50aa5adf36", kill_on_drop: false }`
[INFO] [stdout] 644b6cc31dcd43b225c626e7d8b497cde847dacf0a2ea70b583b0d50aa5adf36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] a9f41c9425a63773eb9d2563812fd3a1e9615d1286c1d6eeb1d308bfa23fed6f
[INFO] running `Command { std: "docker" "start" "-a" "a9f41c9425a63773eb9d2563812fd3a1e9615d1286c1d6eeb1d308bfa23fed6f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "a9f41c9425a63773eb9d2563812fd3a1e9615d1286c1d6eeb1d308bfa23fed6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f41c9425a63773eb9d2563812fd3a1e9615d1286c1d6eeb1d308bfa23fed6f", kill_on_drop: false }`
[INFO] [stdout] a9f41c9425a63773eb9d2563812fd3a1e9615d1286c1d6eeb1d308bfa23fed6f