[INFO] fetching crate ntp 0.5.0...
[INFO] checking ntp-0.5.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate ntp 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ntp 0.5.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ntp 0.5.0
[INFO] finished tweaking crates.io crate ntp 0.5.0
[INFO] tweaked toml for crates.io crate ntp 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 60990212fffa07bfde2a4df6fd06b85e320c3a81894f9b66cb025e7e383d6e32
[INFO] running `Command { std: "docker" "start" "-a" "60990212fffa07bfde2a4df6fd06b85e320c3a81894f9b66cb025e7e383d6e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60990212fffa07bfde2a4df6fd06b85e320c3a81894f9b66cb025e7e383d6e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60990212fffa07bfde2a4df6fd06b85e320c3a81894f9b66cb025e7e383d6e32", kill_on_drop: false }`
[INFO] [stdout] 60990212fffa07bfde2a4df6fd06b85e320c3a81894f9b66cb025e7e383d6e32
[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" "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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d5c23464adacb61050b199532c74b07dc1e88650ec8f353c53eb22477c1389
[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" "46d5c23464adacb61050b199532c74b07dc1e88650ec8f353c53eb22477c1389", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ntp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/formats/mod.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | /// ascii chars packed into a u32 for matching a raw buffer
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/formats/mod.rs:120:1
[INFO] [stdout]     |
[INFO] [stdout] 120 | /// ascii chars packed into a u32 for matching a raw buffer
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "46d5c23464adacb61050b199532c74b07dc1e88650ec8f353c53eb22477c1389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d5c23464adacb61050b199532c74b07dc1e88650ec8f353c53eb22477c1389", kill_on_drop: false }`
[INFO] [stdout] 46d5c23464adacb61050b199532c74b07dc1e88650ec8f353c53eb22477c1389