[INFO] fetching crate threadpool-crossbeam-channel 1.8.0...
[INFO] checking threadpool-crossbeam-channel-1.8.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate threadpool-crossbeam-channel 1.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate threadpool-crossbeam-channel 1.8.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate threadpool-crossbeam-channel 1.8.0
[INFO] finished tweaking crates.io crate threadpool-crossbeam-channel 1.8.0
[INFO] tweaked toml for crates.io crate threadpool-crossbeam-channel 1.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c20a636c801aecfd456fd98c7ed9a3a88e14555bce0337c69d5d11b879a32286
[INFO] running `Command { std: "docker" "start" "-a" "c20a636c801aecfd456fd98c7ed9a3a88e14555bce0337c69d5d11b879a32286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c20a636c801aecfd456fd98c7ed9a3a88e14555bce0337c69d5d11b879a32286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c20a636c801aecfd456fd98c7ed9a3a88e14555bce0337c69d5d11b879a32286", kill_on_drop: false }`
[INFO] [stdout] c20a636c801aecfd456fd98c7ed9a3a88e14555bce0337c69d5d11b879a32286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93ba17baa8ae7d3ab6b773a7ba6d6a601ba35dbc19eb2563cc81e82d1ab3bdae
[INFO] running `Command { std: "docker" "start" "-a" "93ba17baa8ae7d3ab6b773a7ba6d6a601ba35dbc19eb2563cc81e82d1ab3bdae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool-crossbeam-channel v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:101:22
[INFO] [stdout]     |
[INFO] [stdout] 101 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:101:22
[INFO] [stdout]     |
[INFO] [stdout] 101 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "93ba17baa8ae7d3ab6b773a7ba6d6a601ba35dbc19eb2563cc81e82d1ab3bdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ba17baa8ae7d3ab6b773a7ba6d6a601ba35dbc19eb2563cc81e82d1ab3bdae", kill_on_drop: false }`
[INFO] [stdout] 93ba17baa8ae7d3ab6b773a7ba6d6a601ba35dbc19eb2563cc81e82d1ab3bdae