[INFO] fetching crate big-hash 0.2.0...
[INFO] testing big-hash-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate big-hash 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate big-hash 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate big-hash 0.2.0
[INFO] tweaked toml for crates.io crate big-hash 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate big-hash 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate big-hash 0.2.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45fa6e259bffb47a3e3d484c4fc3d7d7e2e124d98ec4ac90851f7988ed3bf287
[INFO] running `Command { std: "docker" "start" "-a" "45fa6e259bffb47a3e3d484c4fc3d7d7e2e124d98ec4ac90851f7988ed3bf287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45fa6e259bffb47a3e3d484c4fc3d7d7e2e124d98ec4ac90851f7988ed3bf287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fa6e259bffb47a3e3d484c4fc3d7d7e2e124d98ec4ac90851f7988ed3bf287", kill_on_drop: false }`
[INFO] [stdout] 45fa6e259bffb47a3e3d484c4fc3d7d7e2e124d98ec4ac90851f7988ed3bf287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd50bbfe069abc28bcd4242640ff6808228b8bbb4f12e6e24c7a0e2688f16ca2
[INFO] running `Command { std: "docker" "start" "-a" "cd50bbfe069abc28bcd4242640ff6808228b8bbb4f12e6e24c7a0e2688f16ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling hmac-sha512 v0.1.6
[INFO] [stderr]    Compiling hmac-sha256 v0.1.2
[INFO] [stderr]    Compiling big-hash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `opaque`
[INFO] [stdout]   --> src/lib.rs:60:7
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[doc(opaque)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `big-hash` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd50bbfe069abc28bcd4242640ff6808228b8bbb4f12e6e24c7a0e2688f16ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd50bbfe069abc28bcd4242640ff6808228b8bbb4f12e6e24c7a0e2688f16ca2", kill_on_drop: false }`
[INFO] [stdout] cd50bbfe069abc28bcd4242640ff6808228b8bbb4f12e6e24c7a0e2688f16ca2