[INFO] fetching crate mm0b_parser 0.1.4...
[INFO] testing mm0b_parser-0.1.4 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate mm0b_parser 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mm0b_parser 0.1.4 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mm0b_parser 0.1.4
[INFO] finished tweaking crates.io crate mm0b_parser 0.1.4
[INFO] tweaked toml for crates.io crate mm0b_parser 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[INFO] [stderr]   Downloaded mm0_util v0.1.4
[INFO] [stderr]   Downloaded zerocopy v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7617f6745c179dc4428c1fdcf3138e9f8c8e654a3405d108daee04f22f066da2
[INFO] running `Command { std: "docker" "start" "-a" "7617f6745c179dc4428c1fdcf3138e9f8c8e654a3405d108daee04f22f066da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7617f6745c179dc4428c1fdcf3138e9f8c8e654a3405d108daee04f22f066da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7617f6745c179dc4428c1fdcf3138e9f8c8e654a3405d108daee04f22f066da2", kill_on_drop: false }`
[INFO] [stdout] 7617f6745c179dc4428c1fdcf3138e9f8c8e654a3405d108daee04f22f066da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7348b4f54d02387b12af458e8165c6c023aca2ae70372448f97b29c07bc2bf54
[INFO] running `Command { std: "docker" "start" "-a" "7348b4f54d02387b12af458e8165c6c023aca2ae70372448f97b29c07bc2bf54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling mm0_util v0.1.4
[INFO] [stderr]    Compiling zerocopy-derive v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.5.0
[INFO] [stderr]    Compiling mm0b_parser v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: non-defining opaque type use in defining scope
[INFO] [stdout]    --> src/write.rs:417:48
[INFO] [stdout]     |
[INFO] [stdout] 417 |   pub fn unify(&mut self) -> &mut impl Write { self.0.unify() }
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^ lifetime `'a` is part of concrete type but not used in parameter list of the `impl Trait` type alias
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-defining opaque type use in defining scope
[INFO] [stdout]    --> src/write.rs:421:48
[INFO] [stdout]     |
[INFO] [stdout] 421 |   pub fn proof(&mut self) -> &mut impl Write { self.0.proof() }
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^ lifetime `'a` is part of concrete type but not used in parameter list of the `impl Trait` type alias
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-defining opaque type use in defining scope
[INFO] [stdout]    --> src/write.rs:443:48
[INFO] [stdout]     |
[INFO] [stdout] 443 |   pub fn unify(&mut self) -> &mut impl Write { self.0.unify() }
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^ lifetime `'a` is part of concrete type but not used in parameter list of the `impl Trait` type alias
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-defining opaque type use in defining scope
[INFO] [stdout]    --> src/write.rs:447:48
[INFO] [stdout]     |
[INFO] [stdout] 447 |   pub fn proof(&mut self) -> &mut impl Write { self.0.proof() }
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^ lifetime `'a` is part of concrete type but not used in parameter list of the `impl Trait` type alias
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mm0b_parser` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "7348b4f54d02387b12af458e8165c6c023aca2ae70372448f97b29c07bc2bf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7348b4f54d02387b12af458e8165c6c023aca2ae70372448f97b29c07bc2bf54", kill_on_drop: false }`
[INFO] [stdout] 7348b4f54d02387b12af458e8165c6c023aca2ae70372448f97b29c07bc2bf54