[INFO] cloning repository https://github.com/Gilnaa/ubervisor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gilnaa/ubervisor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGilnaa%2Fubervisor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGilnaa%2Fubervisor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce36274b03ca28d0858646b4883ac8966b1b1649
[INFO] checking Gilnaa/ubervisor against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGilnaa%2Fubervisor" "/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/Gilnaa/ubervisor on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gilnaa/ubervisor
[INFO] finished tweaking git repo https://github.com/Gilnaa/ubervisor
[INFO] tweaked toml for git repo https://github.com/Gilnaa/ubervisor written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Gilnaa/ubervisor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ebe4b0850dee2e6fc6dc3d2df423a714011d341ad05aebed333e4919106d08f
[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" "3ebe4b0850dee2e6fc6dc3d2df423a714011d341ad05aebed333e4919106d08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ebe4b0850dee2e6fc6dc3d2df423a714011d341ad05aebed333e4919106d08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebe4b0850dee2e6fc6dc3d2df423a714011d341ad05aebed333e4919106d08f", kill_on_drop: false }`
[INFO] [stdout] 3ebe4b0850dee2e6fc6dc3d2df423a714011d341ad05aebed333e4919106d08f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2498538b20e6963108332c69525b08328eafe1fc862b739654d851ea64cdd8ed
[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" "2498538b20e6963108332c69525b08328eafe1fc862b739654d851ea64cdd8ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ubervisorctl v0.1.0 (/opt/rustwide/workdir/ubervisorctl)
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ubervisor-core v0.1.0 (/opt/rustwide/workdir/ubervisor-core)
[INFO] [stderr]     Checking ubervisord v0.1.0 (/opt/rustwide/workdir/ubervisord)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> ubervisord/src/main.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ubervisord/src/main.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |             let mut daemon_status = (&program.state).into();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> ubervisord/src/config.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `global_config`
[INFO] [stdout]   --> ubervisord/src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     global_config: GlobalConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> ubervisord/src/main.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> ubervisord/src/main.rs:245:17
[INFO] [stdout]     |
[INFO] [stdout] 245 |             let mut daemon_status = (&program.state).into();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> ubervisord/src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         process.kill();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> ubervisord/src/config.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `global_config`
[INFO] [stdout]   --> ubervisord/src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     global_config: GlobalConfig,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> ubervisord/src/main.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         process.kill();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.18s
[INFO] running `Command { std: "docker" "inspect" "2498538b20e6963108332c69525b08328eafe1fc862b739654d851ea64cdd8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2498538b20e6963108332c69525b08328eafe1fc862b739654d851ea64cdd8ed", kill_on_drop: false }`
[INFO] [stdout] 2498538b20e6963108332c69525b08328eafe1fc862b739654d851ea64cdd8ed