[INFO] fetching crate byte_channel 0.0.1... [INFO] checking byte_channel-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate byte_channel 0.0.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate byte_channel 0.0.1 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 crates.io crate byte_channel 0.0.1 [INFO] finished tweaking crates.io crate byte_channel 0.0.1 [INFO] tweaked toml for crates.io crate byte_channel 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [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] Downloading crates ... [INFO] [stderr] Downloaded test_futures v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bb8655521595adac970706d3ec0f19d4caac82891add5378f8a5840a6cd4a7b8 [INFO] running `Command { std: "docker" "start" "-a" "bb8655521595adac970706d3ec0f19d4caac82891add5378f8a5840a6cd4a7b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb8655521595adac970706d3ec0f19d4caac82891add5378f8a5840a6cd4a7b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb8655521595adac970706d3ec0f19d4caac82891add5378f8a5840a6cd4a7b8", kill_on_drop: false }` [INFO] [stdout] bb8655521595adac970706d3ec0f19d4caac82891add5378f8a5840a6cd4a7b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7d0db115cf861cd2a232fcb2c68fdb3af00a6b2bfea0d0ed6ec5dcd68c0bd34d [INFO] running `Command { std: "docker" "start" "-a" "7d0db115cf861cd2a232fcb2c68fdb3af00a6b2bfea0d0ed6ec5dcd68c0bd34d", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking test_futures v0.0.1 [INFO] [stderr] Checking byte_channel v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | #[cfg_attr(test, macro_use)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Async` is imported redundantly [INFO] [stdout] --> src/window.rs:126:19 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Async` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/window.rs:126:26 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Poll` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/window.rs:126:32 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Stream` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/sync/chunk.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | drop(bytes); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bytes::Bytes` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/sync/chunk.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | drop(bytes); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bytes::Bytes` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "7d0db115cf861cd2a232fcb2c68fdb3af00a6b2bfea0d0ed6ec5dcd68c0bd34d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d0db115cf861cd2a232fcb2c68fdb3af00a6b2bfea0d0ed6ec5dcd68c0bd34d", kill_on_drop: false }` [INFO] [stdout] 7d0db115cf861cd2a232fcb2c68fdb3af00a6b2bfea0d0ed6ec5dcd68c0bd34d [INFO] checking byte_channel-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate byte_channel 0.0.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate byte_channel 0.0.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate byte_channel 0.0.1 [INFO] finished tweaking crates.io crate byte_channel 0.0.1 [INFO] tweaked toml for crates.io crate byte_channel 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ada894d0dda919ec68c80f5d06d734a8fd62b9806568bdd141320be3f461ad47 [INFO] running `Command { std: "docker" "start" "-a" "ada894d0dda919ec68c80f5d06d734a8fd62b9806568bdd141320be3f461ad47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ada894d0dda919ec68c80f5d06d734a8fd62b9806568bdd141320be3f461ad47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ada894d0dda919ec68c80f5d06d734a8fd62b9806568bdd141320be3f461ad47", kill_on_drop: false }` [INFO] [stdout] ada894d0dda919ec68c80f5d06d734a8fd62b9806568bdd141320be3f461ad47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43f6c28ccbbdba68ade1fe250b705aa00119d0dd13725dd59b28666b9aaf75dc [INFO] running `Command { std: "docker" "start" "-a" "43f6c28ccbbdba68ade1fe250b705aa00119d0dd13725dd59b28666b9aaf75dc", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking test_futures v0.0.1 [INFO] [stderr] Checking byte_channel v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/sync/chunk.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | drop(bytes); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bytes::Bytes` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | #[cfg_attr(test, macro_use)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Async` is imported redundantly [INFO] [stdout] --> src/window.rs:126:19 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Async` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/window.rs:126:26 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Poll` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/window.rs:126:32 [INFO] [stdout] | [INFO] [stdout] 125 | use super::*; [INFO] [stdout] | -------- the item `Stream` is already imported here [INFO] [stdout] 126 | use futures::{Async, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/sync/chunk.rs:129:21 [INFO] [stdout] | [INFO] [stdout] 129 | drop(bytes); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut bytes::Bytes` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.98s [INFO] running `Command { std: "docker" "inspect" "43f6c28ccbbdba68ade1fe250b705aa00119d0dd13725dd59b28666b9aaf75dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43f6c28ccbbdba68ade1fe250b705aa00119d0dd13725dd59b28666b9aaf75dc", kill_on_drop: false }` [INFO] [stdout] 43f6c28ccbbdba68ade1fe250b705aa00119d0dd13725dd59b28666b9aaf75dc