[INFO] fetching crate check-links 0.2.1...
[INFO] checking check-links-0.2.1 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate check-links 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate check-links 0.2.1 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate check-links 0.2.1
[INFO] finished tweaking crates.io crate check-links 0.2.1
[INFO] tweaked toml for crates.io crate check-links 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate check-links 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] 6dcf132069fdc213b1a651561ba6151f21b89e7ee5f46546762015c1eb33af63
[INFO] running `Command { std: "docker" "start" "-a" "6dcf132069fdc213b1a651561ba6151f21b89e7ee5f46546762015c1eb33af63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dcf132069fdc213b1a651561ba6151f21b89e7ee5f46546762015c1eb33af63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcf132069fdc213b1a651561ba6151f21b89e7ee5f46546762015c1eb33af63", kill_on_drop: false }`
[INFO] [stdout] 6dcf132069fdc213b1a651561ba6151f21b89e7ee5f46546762015c1eb33af63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] 39ef3b9cd99f031d72e564113a6974f9c2b96e471f2cee876d477f4edae43fe1
[INFO] running `Command { std: "docker" "start" "-a" "39ef3b9cd99f031d72e564113a6974f9c2b96e471f2cee876d477f4edae43fe1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling isahc v0.8.2
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking encoding_rs v0.8.20
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking grep-matcher v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking encoding_rs_io v0.1.6
[INFO] [stderr]     Checking grep-searcher v0.1.6
[INFO] [stderr]     Checking sluice v0.5.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking grep-regex v0.1.5
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking check-links v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "39ef3b9cd99f031d72e564113a6974f9c2b96e471f2cee876d477f4edae43fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ef3b9cd99f031d72e564113a6974f9c2b96e471f2cee876d477f4edae43fe1", kill_on_drop: false }`
[INFO] [stdout] 39ef3b9cd99f031d72e564113a6974f9c2b96e471f2cee876d477f4edae43fe1