[INFO] cloning repository https://github.com/CJacob314/run-rt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CJacob314/run-rt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2Frun-rt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2Frun-rt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c3805ca3be3adf4b8e3ce653f1c1ba0d383d44d
[INFO] checking CJacob314/run-rt against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJacob314%2Frun-rt" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CJacob314/run-rt
[INFO] finished tweaking git repo https://github.com/CJacob314/run-rt
[INFO] tweaked toml for git repo https://github.com/CJacob314/run-rt written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CJacob314/run-rt on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CJacob314/run-rt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbdaaa535c766714075b26f7ad73721fffe55c0f90b36cbb03b117b73e358ee6
[INFO] running `Command { std: "docker" "start" "-a" "dbdaaa535c766714075b26f7ad73721fffe55c0f90b36cbb03b117b73e358ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbdaaa535c766714075b26f7ad73721fffe55c0f90b36cbb03b117b73e358ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbdaaa535c766714075b26f7ad73721fffe55c0f90b36cbb03b117b73e358ee6", kill_on_drop: false }`
[INFO] [stdout] dbdaaa535c766714075b26f7ad73721fffe55c0f90b36cbb03b117b73e358ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07498f4d0a6706a96a4fab74cbf111291d21682392ca0c5720535efd2ccfbeb6
[INFO] running `Command { std: "docker" "start" "-a" "07498f4d0a6706a96a4fab74cbf111291d21682392ca0c5720535efd2ccfbeb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking run-rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `pid` and `status` are never read
[INFO] [stdout]    --> src/wrappers.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub(crate) struct WaitReturn {
[INFO] [stdout]     |                   ---------- fields in this struct
[INFO] [stdout] 104 |     pid: pid_t,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 105 |     status: WaitStatus
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signum` is never read
[INFO] [stdout]    --> src/wrappers.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     Exited{ signum: int },
[INFO] [stdout]     |     ------  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signum` and `core_dumped` are never read
[INFO] [stdout]    --> src/wrappers.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     SignalKilled {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 111 |         signum: int,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 112 |         core_dumped: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signum` is never read
[INFO] [stdout]    --> src/wrappers.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 |     SignalStopped { signum: int },
[INFO] [stdout]     |     -------------   ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid` and `status` are never read
[INFO] [stdout]    --> src/wrappers.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub(crate) struct WaitReturn {
[INFO] [stdout]     |                   ---------- fields in this struct
[INFO] [stdout] 104 |     pid: pid_t,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 105 |     status: WaitStatus
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signum` is never read
[INFO] [stdout]    --> src/wrappers.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     Exited{ signum: int },
[INFO] [stdout]     |     ------  ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `signum` and `core_dumped` are never read
[INFO] [stdout]    --> src/wrappers.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     SignalKilled {
[INFO] [stdout]     |     ------------ fields in this variant
[INFO] [stdout] 111 |         signum: int,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 112 |         core_dumped: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `signum` is never read
[INFO] [stdout]    --> src/wrappers.rs:114:21
[INFO] [stdout]     |
[INFO] [stdout] 114 |     SignalStopped { signum: int },
[INFO] [stdout]     |     -------------   ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "07498f4d0a6706a96a4fab74cbf111291d21682392ca0c5720535efd2ccfbeb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07498f4d0a6706a96a4fab74cbf111291d21682392ca0c5720535efd2ccfbeb6", kill_on_drop: false }`
[INFO] [stdout] 07498f4d0a6706a96a4fab74cbf111291d21682392ca0c5720535efd2ccfbeb6