[INFO] fetching crate perw 0.0.1-prerelease...
[INFO] checking perw-0.0.1-prerelease against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate perw 0.0.1-prerelease into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate perw 0.0.1-prerelease on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perw 0.0.1-prerelease
[INFO] finished tweaking crates.io crate perw 0.0.1-prerelease
[INFO] tweaked toml for crates.io crate perw 0.0.1-prerelease written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate perw 0.0.1-prerelease 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e078a87701d23df6f7d3c1a2a1559df6edc3b23239e582af44254c0287981c7c
[INFO] running `Command { std: "docker" "start" "-a" "e078a87701d23df6f7d3c1a2a1559df6edc3b23239e582af44254c0287981c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e078a87701d23df6f7d3c1a2a1559df6edc3b23239e582af44254c0287981c7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e078a87701d23df6f7d3c1a2a1559df6edc3b23239e582af44254c0287981c7c", kill_on_drop: false }`
[INFO] [stdout] e078a87701d23df6f7d3c1a2a1559df6edc3b23239e582af44254c0287981c7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77f21f624aef1ed6275b76ce5ed604508c0d90e0a18b3d6ec73dbab7729c2af6
[INFO] running `Command { std: "docker" "start" "-a" "77f21f624aef1ed6275b76ce5ed604508c0d90e0a18b3d6ec73dbab7729c2af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling snafu-derive v0.7.4
[INFO] [stderr]     Checking snafu v0.7.4
[INFO] [stderr]     Checking perw v0.0.1-prerelease (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Vec<u8>: io::Writer` is not satisfied
[INFO] [stdout]    --> src/pe/dos.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |         expected_dos.write_to(&mut dos_bytes);
[INFO] [stdout]     |                      -------- ^^^^^^^^^^^^^^ the trait `io::Writer` is not implemented for `Vec<u8>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `io::Writer`:
[INFO] [stdout]               stream::PEStream<&mut [u8]>
[INFO] [stdout]               stream::PEStream<Vec<u8>>
[INFO] [stdout] note: required by a bound in `io::WriteData::write_to`
[INFO] [stdout]    --> src/io/mod.rs:43:42
[INFO] [stdout]     |
[INFO] [stdout] 43  |     fn write_to(&self, writer: &mut impl Writer) -> Result<()>;
[INFO] [stdout]     |                                          ^^^^^^ required by this bound in `WriteData::write_to`
[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 E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MAGIC_CONSTANT` is never used
[INFO] [stdout]   --> src/pe/dos.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl ImageDosHeader {
[INFO] [stdout]    | ------------------- associated constant in this implementation
[INFO] [stdout] 50 |     pub const MAGIC_CONSTANT : u16 = 0x5A4D ;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `perw` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77f21f624aef1ed6275b76ce5ed604508c0d90e0a18b3d6ec73dbab7729c2af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f21f624aef1ed6275b76ce5ed604508c0d90e0a18b3d6ec73dbab7729c2af6", kill_on_drop: false }`
[INFO] [stdout] 77f21f624aef1ed6275b76ce5ed604508c0d90e0a18b3d6ec73dbab7729c2af6
