[INFO] fetching crate rst 0.4.0...
[INFO] checking rst-0.4.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate rst 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rst 0.4.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rst 0.4.0
[INFO] finished tweaking crates.io crate rst 0.4.0
[INFO] tweaked toml for crates.io crate rst 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate rst 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ac689b1c2d5a7073dce56196f201c1f215751b8f0576c000696c01f0b725dd
[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" "22ac689b1c2d5a7073dce56196f201c1f215751b8f0576c000696c01f0b725dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ac689b1c2d5a7073dce56196f201c1f215751b8f0576c000696c01f0b725dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ac689b1c2d5a7073dce56196f201c1f215751b8f0576c000696c01f0b725dd", kill_on_drop: false }`
[INFO] [stdout] 22ac689b1c2d5a7073dce56196f201c1f215751b8f0576c000696c01f0b725dd
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9130197f06ac9fd46251cad667175edc9fd28322d428e0f00a86c399f5ae9bb
[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" "b9130197f06ac9fd46251cad667175edc9fd28322d428e0f00a86c399f5ae9bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking document_tree v0.4.0
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking rst_parser v0.4.0
[INFO] [stderr]     Checking rst_renderer v0.4.0
[INFO] [stderr]     Checking rst v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "b9130197f06ac9fd46251cad667175edc9fd28322d428e0f00a86c399f5ae9bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9130197f06ac9fd46251cad667175edc9fd28322d428e0f00a86c399f5ae9bb", kill_on_drop: false }`
[INFO] [stdout] b9130197f06ac9fd46251cad667175edc9fd28322d428e0f00a86c399f5ae9bb