[INFO] fetching crate swc-hosts 0.2.1...
[INFO] testing swc-hosts-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate swc-hosts 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate swc-hosts 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc-hosts 0.2.1
[INFO] finished tweaking crates.io crate swc-hosts 0.2.1
[INFO] tweaked toml for crates.io crate swc-hosts 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b31bb2117081a90fa2001de0dd636fc8606801bf50269c2644fe21e9462f9e0b
[INFO] running `Command { std: "docker" "start" "-a" "b31bb2117081a90fa2001de0dd636fc8606801bf50269c2644fe21e9462f9e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b31bb2117081a90fa2001de0dd636fc8606801bf50269c2644fe21e9462f9e0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b31bb2117081a90fa2001de0dd636fc8606801bf50269c2644fe21e9462f9e0b", kill_on_drop: false }`
[INFO] [stdout] b31bb2117081a90fa2001de0dd636fc8606801bf50269c2644fe21e9462f9e0b
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7b9a3938445dda554e8c9e8a2d9d98a3cfc3a66c7ef282689dc20582f8f62b
[INFO] running `Command { std: "docker" "start" "-a" "ca7b9a3938445dda554e8c9e8a2d9d98a3cfc3a66c7ef282689dc20582f8f62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling extra-default v0.2.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling len-trait v0.6.1
[INFO] [stderr]    Compiling bow v1.0.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::convert::Into<std::boxed::Box<_>>` for type `Bow<'_, _>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bow-1.0.3/src/lib.rs:124:1
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl<'a, T: 'a + ToBox + ?Sized> Into<boxed::Box<T>> for Bow<'a, T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `core`:
[INFO] [stdout]             - impl<T, U> Into<U> for T
[INFO] [stdout]               where U: From<T>;
[INFO] [stdout]     = note: downstream crates may implement trait `std::convert::From<Bow<'_, _>>` for type `std::boxed::Box<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bow`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ca7b9a3938445dda554e8c9e8a2d9d98a3cfc3a66c7ef282689dc20582f8f62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7b9a3938445dda554e8c9e8a2d9d98a3cfc3a66c7ef282689dc20582f8f62b", kill_on_drop: false }`
[INFO] [stdout] ca7b9a3938445dda554e8c9e8a2d9d98a3cfc3a66c7ef282689dc20582f8f62b
