[INFO] cloning repository https://github.com/sirkibsirkib/middleman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/middleman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmiddleman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmiddleman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f17e5646e8605f2218cf9df89caaf4c8f4a6b207 [INFO] checking sirkibsirkib/middleman against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fmiddleman" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sirkibsirkib/middleman on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sirkibsirkib/middleman [INFO] finished tweaking git repo https://github.com/sirkibsirkib/middleman [INFO] tweaked toml for git repo https://github.com/sirkibsirkib/middleman written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sirkibsirkib/middleman 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Locking 1 package [INFO] [stderr] Updating middleman v0.3.0 (/workspace/builds/worker-4-tc1/source) -> v0.3.1 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bincode v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a0e2a285641f7c6029aa36e2fc0ff891d3c0b93daa09c04765906f364994297 [INFO] running `Command { std: "docker" "start" "-a" "7a0e2a285641f7c6029aa36e2fc0ff891d3c0b93daa09c04765906f364994297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a0e2a285641f7c6029aa36e2fc0ff891d3c0b93daa09c04765906f364994297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a0e2a285641f7c6029aa36e2fc0ff891d3c0b93daa09c04765906f364994297", kill_on_drop: false }` [INFO] [stdout] 7a0e2a285641f7c6029aa36e2fc0ff891d3c0b93daa09c04765906f364994297 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aca78bee7c03bb83f50b21c85d6ca46d9057852d8fea4796f82b831a84d1eb79 [INFO] running `Command { std: "docker" "start" "-a" "aca78bee7c03bb83f50b21c85d6ca46d9057852d8fea4796f82b831a84d1eb79", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking serde v1.0.37 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.3.6 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Compiling quote v0.5.1 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Compiling serde_derive_internals v0.23.0 [INFO] [stderr] Compiling serde_derive v1.0.37 [INFO] [stderr] Checking bincode v1.0.0 [INFO] [stderr] Checking middleman v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/errors.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/errors.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | boxed::Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Evented` is imported redundantly [INFO] [stdout] --> src/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | *, [INFO] [stdout] | - the item `Evented` is already imported here [INFO] [stdout] 5 | event::Evented, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:313:18 [INFO] [stdout] | [INFO] [stdout] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/errors.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/errors.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | boxed::Box, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Evented` is imported redundantly [INFO] [stdout] --> src/structs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | *, [INFO] [stdout] | - the item `Evented` is already imported here [INFO] [stdout] 5 | event::Evented, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Middleman` is imported redundantly [INFO] [stdout] --> src/tests.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::structs::Middleman; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 2 | use super::*; [INFO] [stdout] | -------- the item `Middleman` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:313:18 [INFO] [stdout] | [INFO] [stdout] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tests.rs:532:41 [INFO] [stdout] | [INFO] [stdout] 532 | ... let mut stream = streams.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/tests.rs:226:28 [INFO] [stdout] | [INFO] [stdout] 226 | TOK_A => { a.recv_all_map(&mut work); }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/tests.rs:227:28 [INFO] [stdout] | [INFO] [stdout] 227 | TOK_B => { b.recv_all_map(&mut work); }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/tests.rs:344:13 [INFO] [stdout] | [INFO] [stdout] 344 | / a.recv_all_map::<_, Complex>(|_mm, msg| { [INFO] [stdout] 345 | | assert_eq!(&msg, &struct_form); [INFO] [stdout] 346 | | to_go -= 1; [INFO] [stdout] 347 | | }); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "aca78bee7c03bb83f50b21c85d6ca46d9057852d8fea4796f82b831a84d1eb79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aca78bee7c03bb83f50b21c85d6ca46d9057852d8fea4796f82b831a84d1eb79", kill_on_drop: false }` [INFO] [stdout] aca78bee7c03bb83f50b21c85d6ca46d9057852d8fea4796f82b831a84d1eb79