[INFO] cloning repository https://github.com/zyvitski/envelope-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyvitski/envelope-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyvitski%2Fenvelope-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyvitski%2Fenvelope-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fe8efcf2dcf3c1dd26648db9c9992a54e8f53db
[INFO] checking zyvitski/envelope-rs against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyvitski%2Fenvelope-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyvitski/envelope-rs 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 git repo https://github.com/zyvitski/envelope-rs
[INFO] finished tweaking git repo https://github.com/zyvitski/envelope-rs
[INFO] tweaked toml for git repo https://github.com/zyvitski/envelope-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zyvitski/envelope-rs already has a lockfile, it will not be regenerated
[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-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1320a3c7a2a18f2db50fec926a5f94579b5d80a1b10a8a5b5730d460ca90adb6
[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" "1320a3c7a2a18f2db50fec926a5f94579b5d80a1b10a8a5b5730d460ca90adb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1320a3c7a2a18f2db50fec926a5f94579b5d80a1b10a8a5b5730d460ca90adb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1320a3c7a2a18f2db50fec926a5f94579b5d80a1b10a8a5b5730d460ca90adb6", kill_on_drop: false }`
[INFO] [stdout] 1320a3c7a2a18f2db50fec926a5f94579b5d80a1b10a8a5b5730d460ca90adb6
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c61fa7fd715054841820e36e17b137b8937db5396dc434ee379fbc65e6e4b51
[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" "3c61fa7fd715054841820e36e17b137b8937db5396dc434ee379fbc65e6e4b51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking envelope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![warn(missing_docs)]
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | ///!A crate for representing type generic Envelope generators.
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | | pub use adsr::*;
[INFO] [stdout] 11 | | pub use util::*;
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "3c61fa7fd715054841820e36e17b137b8937db5396dc434ee379fbc65e6e4b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c61fa7fd715054841820e36e17b137b8937db5396dc434ee379fbc65e6e4b51", kill_on_drop: false }`
[INFO] [stdout] 3c61fa7fd715054841820e36e17b137b8937db5396dc434ee379fbc65e6e4b51