[INFO] fetching crate rst 0.3.0...
[INFO] checking rst-0.3.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate rst 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rst 0.3.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rst 0.3.0
[INFO] finished tweaking crates.io crate rst 0.3.0
[INFO] tweaked toml for crates.io crate rst 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rst 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e5ec97c6537d4cfc7d758356df700afd32a2f53c3e1c3e1fda781f3cba075c6
[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" "6e5ec97c6537d4cfc7d758356df700afd32a2f53c3e1c3e1fda781f3cba075c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e5ec97c6537d4cfc7d758356df700afd32a2f53c3e1c3e1fda781f3cba075c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5ec97c6537d4cfc7d758356df700afd32a2f53c3e1c3e1fda781f3cba075c6", kill_on_drop: false }`
[INFO] [stdout] 6e5ec97c6537d4cfc7d758356df700afd32a2f53c3e1c3e1fda781f3cba075c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81dc98925d2a194af9326b86a9907e35571bf5fc0ecf9ae0d4f8f05d3c280f0c
[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" "81dc98925d2a194af9326b86a9907e35571bf5fc0ecf9ae0d4f8f05d3c280f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking rst_parser v0.3.0
[INFO] [stderr]     Checking rst_renderer v0.3.0
[INFO] [stderr]     Checking rst v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "81dc98925d2a194af9326b86a9907e35571bf5fc0ecf9ae0d4f8f05d3c280f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81dc98925d2a194af9326b86a9907e35571bf5fc0ecf9ae0d4f8f05d3c280f0c", kill_on_drop: false }`
[INFO] [stdout] 81dc98925d2a194af9326b86a9907e35571bf5fc0ecf9ae0d4f8f05d3c280f0c