[INFO] fetching crate rust-apex 0.3.3...
[INFO] checking rust-apex-0.3.3 against master#c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b for pr-104616
[INFO] extracting crate rust-apex 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-apex 0.3.3 on toolchain c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-apex 0.3.3
[INFO] finished tweaking crates.io crate rust-apex 0.3.3
[INFO] tweaked toml for crates.io crate rust-apex 0.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14de50b24f0b53116bffe9c958297aab4544d41cc230446282259f3a1727cf5f
[INFO] running `Command { std: "docker" "start" "-a" "14de50b24f0b53116bffe9c958297aab4544d41cc230446282259f3a1727cf5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14de50b24f0b53116bffe9c958297aab4544d41cc230446282259f3a1727cf5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14de50b24f0b53116bffe9c958297aab4544d41cc230446282259f3a1727cf5f", kill_on_drop: false }`
[INFO] [stdout] 14de50b24f0b53116bffe9c958297aab4544d41cc230446282259f3a1727cf5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+c5d82ed7a4ad94a538bb87e5016e7d5ce0bd434b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5bb316cdb56acf67d9b2864441761fa01f4a53c2503f7e919a96e438f50f6e
[INFO] running `Command { std: "docker" "start" "-a" "dd5bb316cdb56acf67d9b2864441761fa01f4a53c2503f7e919a96e438f50f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rust-apex v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle(&self, I, Context) -> Result<O, E>;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: I`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle(&self, I, Context) -> Result<O, E>;
[INFO] [stdout]    |                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle(&self, I, Context) -> Result<O, E>;
[INFO] [stdout]    |                      ^ help: try naming the parameter or explicitly ignoring it: `_: I`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn handle(&self, I, Context) -> Result<O, E>;
[INFO] [stdout]    |                         ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Context`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "dd5bb316cdb56acf67d9b2864441761fa01f4a53c2503f7e919a96e438f50f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5bb316cdb56acf67d9b2864441761fa01f4a53c2503f7e919a96e438f50f6e", kill_on_drop: false }`
[INFO] [stdout] dd5bb316cdb56acf67d9b2864441761fa01f4a53c2503f7e919a96e438f50f6e