[INFO] cloning repository https://github.com/bootandy/ports2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bootandy/ports2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58f7d8c8f224976b80e0e1c1383fe0da474a30ee
[INFO] checking bootandy/ports2 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbootandy%2Fports2" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bootandy/ports2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bootandy/ports2
[INFO] finished tweaking git repo https://github.com/bootandy/ports2
[INFO] tweaked toml for git repo https://github.com/bootandy/ports2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bootandy/ports2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d15664593d7e216db02089c53b51a567bbee4b20c5a52f5b153d14a624196d
[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" "26d15664593d7e216db02089c53b51a567bbee4b20c5a52f5b153d14a624196d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d15664593d7e216db02089c53b51a567bbee4b20c5a52f5b153d14a624196d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d15664593d7e216db02089c53b51a567bbee4b20c5a52f5b153d14a624196d", kill_on_drop: false }`
[INFO] [stdout] 26d15664593d7e216db02089c53b51a567bbee4b20c5a52f5b153d14a624196d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c6d3ad2fad371b74324f8c6e5f030f93982dabc5194f1172638e05f47c1ecef
[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" "6c6d3ad2fad371b74324f8c6e5f030f93982dabc5194f1172638e05f47c1ecef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking ports2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c6d3ad2fad371b74324f8c6e5f030f93982dabc5194f1172638e05f47c1ecef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6d3ad2fad371b74324f8c6e5f030f93982dabc5194f1172638e05f47c1ecef", kill_on_drop: false }`
[INFO] [stdout] 6c6d3ad2fad371b74324f8c6e5f030f93982dabc5194f1172638e05f47c1ecef