[INFO] fetching crate lightproc 0.3.6-alpha.0...
[INFO] checking lightproc-0.3.6-alpha.0 against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] extracting crate lightproc 0.3.6-alpha.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate lightproc 0.3.6-alpha.0 on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightproc 0.3.6-alpha.0
[INFO] finished tweaking crates.io crate lightproc 0.3.6-alpha.0
[INFO] tweaked toml for crates.io crate lightproc 0.3.6-alpha.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate lightproc 0.3.6-alpha.0 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed9349343aaefb6f300ff4d01ab2d9c7b9633f37fe6755425ec81cf99e321963
[INFO] running `Command { std: "docker" "start" "-a" "ed9349343aaefb6f300ff4d01ab2d9c7b9633f37fe6755425ec81cf99e321963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9349343aaefb6f300ff4d01ab2d9c7b9633f37fe6755425ec81cf99e321963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9349343aaefb6f300ff4d01ab2d9c7b9633f37fe6755425ec81cf99e321963", kill_on_drop: false }`
[INFO] [stdout] ed9349343aaefb6f300ff4d01ab2d9c7b9633f37fe6755425ec81cf99e321963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd9a0eae31e987d1b24c016684a83917e29c39155362cb5f8ee59955008baee
[INFO] running `Command { std: "docker" "start" "-a" "2dd9a0eae31e987d1b24c016684a83917e29c39155362cb5f8ee59955008baee", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking lightproc v0.3.6-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]  --> src/proc_handle.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::{PhantomData, Unpin};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]  --> /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Unpin` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stdout] warning: the item `Unpin` is imported redundantly
[INFO] [stdout]  --> src/proc_handle.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::marker::{PhantomData, Unpin};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout]  --> /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Unpin` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EmptyProcState` is imported redundantly
[INFO] [stdout]  --> examples/proc_run.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use lightproc::prelude::*;
[INFO] [stdout]   |     --------------------- the item `EmptyProcState` is already imported here
[INFO] [stdout] 4 | use lightproc::proc_state::EmptyProcState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EmptyProcState` is imported redundantly
[INFO] [stdout]  --> examples/proc_panic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use lightproc::prelude::*;
[INFO] [stdout]   |     --------------------- the item `EmptyProcState` is already imported here
[INFO] [stdout] 5 | use lightproc::proc_state::EmptyProcState;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "2dd9a0eae31e987d1b24c016684a83917e29c39155362cb5f8ee59955008baee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd9a0eae31e987d1b24c016684a83917e29c39155362cb5f8ee59955008baee", kill_on_drop: false }`
[INFO] [stdout] 2dd9a0eae31e987d1b24c016684a83917e29c39155362cb5f8ee59955008baee