[INFO] fetching crate rustfst 0.8.1...
[INFO] checking rustfst-0.8.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate rustfst 0.8.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustfst 0.8.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfst 0.8.1
[INFO] finished tweaking crates.io crate rustfst 0.8.1
[INFO] tweaked toml for crates.io crate rustfst 0.8.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58f40131b52f02b72417aea7f1b9217780d0e11282375e5676b12723573805ac
[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" "58f40131b52f02b72417aea7f1b9217780d0e11282375e5676b12723573805ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58f40131b52f02b72417aea7f1b9217780d0e11282375e5676b12723573805ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58f40131b52f02b72417aea7f1b9217780d0e11282375e5676b12723573805ac", kill_on_drop: false }`
[INFO] [stdout] 58f40131b52f02b72417aea7f1b9217780d0e11282375e5676b12723573805ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] 0207dcfdb239a9c4784e81a82019343c3b6abb24bb66c43571f6c8047bd93f09
[INFO] running `Command { std: "docker" "start" "-a" "0207dcfdb239a9c4784e81a82019343c3b6abb24bb66c43571f6c8047bd93f09", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking compare v0.0.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking binary-heap-plus v0.1.6
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bimap v0.3.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking ordered_iter v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking stable_bst v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking counter v0.4.3
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking path_abs v0.5.1
[INFO] [stderr]     Checking rustfst v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/../../README.md: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 | doc_comment!(include_str!("../../README.md"));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `(/*ERROR*/)`
[INFO] [stdout]    --> src/lib.rs:117:14
[INFO] [stdout]     |
[INFO] [stdout] 117 | doc_comment!(include_str!("../../README.md"));
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfst` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0207dcfdb239a9c4784e81a82019343c3b6abb24bb66c43571f6c8047bd93f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0207dcfdb239a9c4784e81a82019343c3b6abb24bb66c43571f6c8047bd93f09", kill_on_drop: false }`
[INFO] [stdout] 0207dcfdb239a9c4784e81a82019343c3b6abb24bb66c43571f6c8047bd93f09