[INFO] cloning repository https://github.com/mustacean/redust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mustacean/redust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Fredust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Fredust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72b7509510dabb3a73f66fa15d34b2a326e486d2
[INFO] checking mustacean/redust against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmustacean%2Fredust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mustacean/redust 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/mustacean/redust
[INFO] finished tweaking git repo https://github.com/mustacean/redust
[INFO] tweaked toml for git repo https://github.com/mustacean/redust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mustacean/redust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5c6c236025973c59e80116b1b156b0cb31a94d27dfb6b9df62525370fee52f5c
[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" "5c6c236025973c59e80116b1b156b0cb31a94d27dfb6b9df62525370fee52f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c6c236025973c59e80116b1b156b0cb31a94d27dfb6b9df62525370fee52f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6c236025973c59e80116b1b156b0cb31a94d27dfb6b9df62525370fee52f5c", kill_on_drop: false }`
[INFO] [stdout] 5c6c236025973c59e80116b1b156b0cb31a94d27dfb6b9df62525370fee52f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 444a6c99b593995db11268b653edf5acebd1d7e4db0d31631c46b99b5563bd88
[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" "444a6c99b593995db11268b653edf5acebd1d7e4db0d31631c46b99b5563bd88", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking futures-lite v1.7.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking polling v1.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking async-io v1.1.2
[INFO] [stderr]     Checking async-executor v1.1.1
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking async-global-executor v1.0.2
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking redust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/service/service_manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parent: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]  --> src/service/service_manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     parent: Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 11s
[INFO] running `Command { std: "docker" "inspect" "444a6c99b593995db11268b653edf5acebd1d7e4db0d31631c46b99b5563bd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "444a6c99b593995db11268b653edf5acebd1d7e4db0d31631c46b99b5563bd88", kill_on_drop: false }`
[INFO] [stdout] 444a6c99b593995db11268b653edf5acebd1d7e4db0d31631c46b99b5563bd88