[INFO] fetching crate rustfst 0.7.4...
[INFO] testing rustfst-0.7.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rustfst 0.7.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustfst 0.7.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfst 0.7.4
[INFO] finished tweaking crates.io crate rustfst 0.7.4
[INFO] tweaked toml for crates.io crate rustfst 0.7.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 0580be8b4fa6f2e239aad7cf9e28bc46b5b4856fdef1e9a7ec0725c848256c68
[INFO] running `Command { std: "docker" "start" "-a" "0580be8b4fa6f2e239aad7cf9e28bc46b5b4856fdef1e9a7ec0725c848256c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0580be8b4fa6f2e239aad7cf9e28bc46b5b4856fdef1e9a7ec0725c848256c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0580be8b4fa6f2e239aad7cf9e28bc46b5b4856fdef1e9a7ec0725c848256c68", kill_on_drop: false }`
[INFO] [stdout] 0580be8b4fa6f2e239aad7cf9e28bc46b5b4856fdef1e9a7ec0725c848256c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea5c422487693b71a535a985bef7328c5a729ee94e3bb716a30eb74268202a38
[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" "ea5c422487693b71a535a985bef7328c5a729ee94e3bb716a30eb74268202a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling compare v0.0.6
[INFO] [stderr]    Compiling unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling binary-heap-plus v0.1.6
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling bimap v0.3.1
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ordered_iter v0.1.2
[INFO] [stderr]    Compiling stable_bst v0.2.0
[INFO] [stderr]    Compiling rustfst v0.7.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.19s
[INFO] running `Command { std: "docker" "inspect" "ea5c422487693b71a535a985bef7328c5a729ee94e3bb716a30eb74268202a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea5c422487693b71a535a985bef7328c5a729ee94e3bb716a30eb74268202a38", kill_on_drop: false }`
[INFO] [stdout] ea5c422487693b71a535a985bef7328c5a729ee94e3bb716a30eb74268202a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3243d98d9897f646144ceb2d68a16f7e2d4f262509a223c428fcad69b9f91e9c
[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" "3243d98d9897f646144ceb2d68a16f7e2d4f262509a223c428fcad69b9f91e9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling counter v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling path_abs v0.5.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling rustfst v0.7.4 (/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 a macro (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:117:1
[INFO] [stdout]     |
[INFO] [stdout] 117 | doc_comment!(include_str!("../../README.md"));
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustfst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3243d98d9897f646144ceb2d68a16f7e2d4f262509a223c428fcad69b9f91e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3243d98d9897f646144ceb2d68a16f7e2d4f262509a223c428fcad69b9f91e9c", kill_on_drop: false }`
[INFO] [stdout] 3243d98d9897f646144ceb2d68a16f7e2d4f262509a223c428fcad69b9f91e9c
