[INFO] cloning repository https://github.com/viperproject/rust-pcs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viperproject/rust-pcs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperproject%2Frust-pcs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperproject%2Frust-pcs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5deca8682490c24a9f9e80951e0b2f5b30eac49
[INFO] documenting viperproject/rust-pcs against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperproject%2Frust-pcs" "/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/viperproject/rust-pcs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/viperproject/rust-pcs
[INFO] finished tweaking git repo https://github.com/viperproject/rust-pcs
[INFO] tweaked toml for git repo https://github.com/viperproject/rust-pcs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/viperproject/rust-pcs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded log4rs v0.9.0
[INFO] [stderr]   Downloaded flexi_logger v0.14.8
[INFO] [stderr]   Downloaded lsp-server v0.3.4
[INFO] [stderr]   Downloaded bitmaps v2.0.0
[INFO] [stderr]   Downloaded lsp-types v0.79.0
[INFO] [stderr]   Downloaded im v14.2.0
[INFO] [stderr]   Downloaded sized-chunks v0.5.1
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc9b5c850c7e97a7f24b7caf92bb9b7878a356bbbc8de4ee7d6562ce40a338ab
[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" "cc9b5c850c7e97a7f24b7caf92bb9b7878a356bbbc8de4ee7d6562ce40a338ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc9b5c850c7e97a7f24b7caf92bb9b7878a356bbbc8de4ee7d6562ce40a338ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9b5c850c7e97a7f24b7caf92bb9b7878a356bbbc8de4ee7d6562ce40a338ab", kill_on_drop: false }`
[INFO] [stdout] cc9b5c850c7e97a7f24b7caf92bb9b7878a356bbbc8de4ee7d6562ce40a338ab
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] b60deeb44ceb9cf1bc59895e8e1c2d7112d62ca2d62ef2f85cd162e4f238952f
[INFO] running `Command { std: "docker" "start" "-a" "b60deeb44ceb9cf1bc59895e8e1c2d7112d62ca2d62ef2f85cd162e4f238952f", 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] [stderr]  Documenting dump-mir-optimised v0.1.0 (/opt/rustwide/workdir/dump-mir-optimised)
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stdout] error[E0463]: can't find crate for `rustc_data_structures`
[INFO] [stdout]  --> dump-mir-optimised/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_data_structures;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dump-mir-optimised`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name dump_mir_optimised dump-mir-optimised/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b60deeb44ceb9cf1bc59895e8e1c2d7112d62ca2d62ef2f85cd162e4f238952f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60deeb44ceb9cf1bc59895e8e1c2d7112d62ca2d62ef2f85cd162e4f238952f", kill_on_drop: false }`
[INFO] [stdout] b60deeb44ceb9cf1bc59895e8e1c2d7112d62ca2d62ef2f85cd162e4f238952f
