[INFO] crate nib 0.0.7 is already in cache
[INFO] checking nib-0.0.7 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate nib 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nib 0.0.7 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nib 0.0.7
[INFO] finished tweaking crates.io crate nib 0.0.7
[INFO] tweaked toml for crates.io crate nib 0.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6ebf1f8933299f85ff52c33daf98cc848293ce64bdfe031b68632628d54aec
[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" "5f6ebf1f8933299f85ff52c33daf98cc848293ce64bdfe031b68632628d54aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6ebf1f8933299f85ff52c33daf98cc848293ce64bdfe031b68632628d54aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6ebf1f8933299f85ff52c33daf98cc848293ce64bdfe031b68632628d54aec", kill_on_drop: false }`
[INFO] [stdout] 5f6ebf1f8933299f85ff52c33daf98cc848293ce64bdfe031b68632628d54aec
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e8808b9f0bfccfeb36fd92cf0694b6936e6c3d3e3cbf64011712cf3ccc8afc1
[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" "2e8808b9f0bfccfeb36fd92cf0694b6936e6c3d3e3cbf64011712cf3ccc8afc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking handlebars v3.3.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking document_tree v0.3.0
[INFO] [stderr]     Checking syntect v4.2.0
[INFO] [stderr]     Checking rst_renderer v0.3.1
[INFO] [stderr]     Checking rst_parser v0.3.2
[INFO] [stderr]     Checking nib v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "2e8808b9f0bfccfeb36fd92cf0694b6936e6c3d3e3cbf64011712cf3ccc8afc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8808b9f0bfccfeb36fd92cf0694b6936e6c3d3e3cbf64011712cf3ccc8afc1", kill_on_drop: false }`
[INFO] [stdout] 2e8808b9f0bfccfeb36fd92cf0694b6936e6c3d3e3cbf64011712cf3ccc8afc1