[INFO] cloning repository https://github.com/joeybloggs/service-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeybloggs/service-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeybloggs%2Fservice-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeybloggs%2Fservice-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccc267d36cbd7dfdafdfe0b779dbcc9d7a897433
[INFO] checking joeybloggs/service-rs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeybloggs%2Fservice-rs" "/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/joeybloggs/service-rs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joeybloggs/service-rs
[INFO] finished tweaking git repo https://github.com/joeybloggs/service-rs
[INFO] tweaked toml for git repo https://github.com/joeybloggs/service-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/joeybloggs/service-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eaf9c01462b46fea9ff2efba708eb33a09831bbe27633a074deba268afa335d
[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" "4eaf9c01462b46fea9ff2efba708eb33a09831bbe27633a074deba268afa335d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eaf9c01462b46fea9ff2efba708eb33a09831bbe27633a074deba268afa335d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaf9c01462b46fea9ff2efba708eb33a09831bbe27633a074deba268afa335d", kill_on_drop: false }`
[INFO] [stdout] 4eaf9c01462b46fea9ff2efba708eb33a09831bbe27633a074deba268afa335d
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8849b9350ca7c5e8d1892c1a0241693a92871488afcb9e8e2bd5bca472dcfda8
[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" "8849b9350ca7c5e8d1892c1a0241693a92871488afcb9e8e2bd5bca472dcfda8", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking spmc v0.2.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking cadence v0.13.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking slog-json v2.2.0
[INFO] [stderr]     Checking service v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FnValue`
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Drain`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FnValue`
[INFO] [stdout]  --> src/lib.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::process;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Drain`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use slog::{Drain, FnValue, Logger};
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `Command { std: "docker" "inspect" "8849b9350ca7c5e8d1892c1a0241693a92871488afcb9e8e2bd5bca472dcfda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8849b9350ca7c5e8d1892c1a0241693a92871488afcb9e8e2bd5bca472dcfda8", kill_on_drop: false }`
[INFO] [stdout] 8849b9350ca7c5e8d1892c1a0241693a92871488afcb9e8e2bd5bca472dcfda8