[INFO] fetching crate rusturn 0.0.3...
[INFO] checking rusturn-0.0.3 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate rusturn 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusturn 0.0.3 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusturn 0.0.3
[INFO] finished tweaking crates.io crate rusturn 0.0.3
[INFO] tweaked toml for crates.io crate rusturn 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fibers_transport v0.1.2
[INFO] [stderr]   Downloaded fibers_timeout_queue v0.1.0
[INFO] [stderr]   Downloaded rustun v0.3.5
[INFO] [stderr]   Downloaded stun_codec v0.1.12
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0f3d2199b1d18132311931b6b87086f42a676df73dc9c49aea2faf99a2801bda
[INFO] running `"docker" "start" "-a" "0f3d2199b1d18132311931b6b87086f42a676df73dc9c49aea2faf99a2801bda"`
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking fibers_timeout_queue v0.1.0
[INFO] [stderr]     Checking fibers_global v0.1.2
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.12
[INFO] [stderr]     Checking stun_codec v0.1.12
[INFO] [stderr]     Checking fibers_transport v0.1.2
[INFO] [stderr]     Checking rustun v0.3.5
[INFO] [stderr]     Checking rusturn v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/client/allocate.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let mut client = ClientCore::new(
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/client/allocate.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 let mut client = ClientCore::new(
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.23s
[INFO] running `"docker" "inspect" "0f3d2199b1d18132311931b6b87086f42a676df73dc9c49aea2faf99a2801bda"`
[INFO] running `"docker" "rm" "-f" "0f3d2199b1d18132311931b6b87086f42a676df73dc9c49aea2faf99a2801bda"`
[INFO] [stdout] 0f3d2199b1d18132311931b6b87086f42a676df73dc9c49aea2faf99a2801bda