[INFO] crate hostman 0.4.0 is already in cache
[INFO] checking hostman-0.4.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate hostman 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hostman 0.4.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hostman 0.4.0
[INFO] finished tweaking crates.io crate hostman 0.4.0
[INFO] tweaked toml for crates.io crate hostman 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] a56d796e1c4d4656dd50d56ff02dadae54ab8e0b90703c1b08f92c6633261067
[INFO] running `"docker" "start" "-a" "a56d796e1c4d4656dd50d56ff02dadae54ab8e0b90703c1b08f92c6633261067"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking extra-default v0.2.0
[INFO] [stderr]     Checking len-trait v0.6.1
[INFO] [stderr]     Checking bow v1.0.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking hyper-old-types v0.11.0
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::Into<std::boxed::Box<_>>` for type `Bow<'_, _>`:
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bow-1.0.3/src/lib.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | impl<'a, T: 'a + ToBox + ?Sized> Into<boxed::Box<T>> for Bow<'a, T> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: conflicting implementation in crate `core`:
[INFO] [stderr]             - impl<T, U> std::convert::Into<U> for T
[INFO] [stderr]               where U: std::convert::From<T>;
[INFO] [stderr]     = note: downstream crates may implement trait `std::convert::From<Bow<'_, _>>` for type `std::boxed::Box<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: could not compile `bow`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a56d796e1c4d4656dd50d56ff02dadae54ab8e0b90703c1b08f92c6633261067"`
[INFO] running `"docker" "rm" "-f" "a56d796e1c4d4656dd50d56ff02dadae54ab8e0b90703c1b08f92c6633261067"`
[INFO] [stdout] a56d796e1c4d4656dd50d56ff02dadae54ab8e0b90703c1b08f92c6633261067