[INFO] cloning repository https://github.com/fmonniot/zelkova-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmonniot/zelkova-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8ba3fe4b9bb481f5d4fca2eabdff1b0e5cdb8d6
[INFO] checking fmonniot/zelkova-lang against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmonniot%2Fzelkova-lang" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fmonniot/zelkova-lang on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fmonniot/zelkova-lang
[INFO] finished tweaking git repo https://github.com/fmonniot/zelkova-lang
[INFO] tweaked toml for git repo https://github.com/fmonniot/zelkova-lang written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/fmonniot/zelkova-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", 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] 8e2924a41c989b95a645642059cf317d530d615a6a43eacb7b5724725f9044fe
[INFO] running `Command { std: "docker" "start" "-a" "8e2924a41c989b95a645642059cf317d530d615a6a43eacb7b5724725f9044fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e2924a41c989b95a645642059cf317d530d615a6a43eacb7b5724725f9044fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2924a41c989b95a645642059cf317d530d615a6a43eacb7b5724725f9044fe", kill_on_drop: false }`
[INFO] [stdout] 8e2924a41c989b95a645642059cf317d530d615a6a43eacb7b5724725f9044fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b473c75ebf685e0a4004bf971ed6fbda06260928394392b3bfb235ec06d8e8a
[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" "2b473c75ebf685e0a4004bf971ed6fbda06260928394392b3bfb235ec06d8e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking unic-ucd-category v0.9.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking lalrpop-util v0.19.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling lalrpop v0.19.4
[INFO] [stderr]    Compiling zelkova-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "2b473c75ebf685e0a4004bf971ed6fbda06260928394392b3bfb235ec06d8e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b473c75ebf685e0a4004bf971ed6fbda06260928394392b3bfb235ec06d8e8a", kill_on_drop: false }`
[INFO] [stdout] 2b473c75ebf685e0a4004bf971ed6fbda06260928394392b3bfb235ec06d8e8a