[INFO] fetching crate memsocket 0.1.3... [INFO] checking memsocket-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate memsocket 0.1.3 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate memsocket 0.1.3 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 memsocket 0.1.3 [INFO] finished tweaking crates.io crate memsocket 0.1.3 [INFO] tweaked toml for crates.io crate memsocket 0.1.3 written to /workspace/builds/worker-5-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 57 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f8765070b98ad2695f18fb692441f69c8a762a3f0ab23555e1a8893d9fc7d97 [INFO] running `Command { std: "docker" "start" "-a" "9f8765070b98ad2695f18fb692441f69c8a762a3f0ab23555e1a8893d9fc7d97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f8765070b98ad2695f18fb692441f69c8a762a3f0ab23555e1a8893d9fc7d97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f8765070b98ad2695f18fb692441f69c8a762a3f0ab23555e1a8893d9fc7d97", kill_on_drop: false }` [INFO] [stdout] 9f8765070b98ad2695f18fb692441f69c8a762a3f0ab23555e1a8893d9fc7d97 [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" "-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] 99ebca39f2fa83c2c446838a859253e8fae11cf6214ebc9a65a78266e8918bdd [INFO] running `Command { std: "docker" "start" "-a" "99ebca39f2fa83c2c446838a859253e8fae11cf6214ebc9a65a78266e8918bdd", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking memsocket v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/bounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/unbounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/bounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/unbounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> tests/unbounded_test.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / tokio::runtime::current_thread::Runtime::new() [INFO] [stdout] 32 | | .unwrap() [INFO] [stdout] 33 | | .block_on({ [INFO] [stdout] 34 | | tokio::io::read_to_end(server, vec![]) [INFO] [stdout] ... | [INFO] [stdout] 41 | | }) [INFO] [stdout] 42 | | .unwrap(); [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] --> tests/bounded_test.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / tokio::runtime::current_thread::Runtime::new() [INFO] [stdout] 32 | | .unwrap() [INFO] [stdout] 33 | | .block_on({ [INFO] [stdout] 34 | | tokio::io::read_to_end(server, vec![]) [INFO] [stdout] ... | [INFO] [stdout] 41 | | }) [INFO] [stdout] 42 | | .unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s [INFO] running `Command { std: "docker" "inspect" "99ebca39f2fa83c2c446838a859253e8fae11cf6214ebc9a65a78266e8918bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99ebca39f2fa83c2c446838a859253e8fae11cf6214ebc9a65a78266e8918bdd", kill_on_drop: false }` [INFO] [stdout] 99ebca39f2fa83c2c446838a859253e8fae11cf6214ebc9a65a78266e8918bdd [INFO] checking memsocket-0.1.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate memsocket 0.1.3 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate memsocket 0.1.3 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 memsocket 0.1.3 [INFO] finished tweaking crates.io crate memsocket 0.1.3 [INFO] tweaked toml for crates.io crate memsocket 0.1.3 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d71d13769f8bc60f175a269e3633c2bc337964b56e14f4a4e7c1b114d324e603 [INFO] running `Command { std: "docker" "start" "-a" "d71d13769f8bc60f175a269e3633c2bc337964b56e14f4a4e7c1b114d324e603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d71d13769f8bc60f175a269e3633c2bc337964b56e14f4a4e7c1b114d324e603", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d71d13769f8bc60f175a269e3633c2bc337964b56e14f4a4e7c1b114d324e603", kill_on_drop: false }` [INFO] [stdout] d71d13769f8bc60f175a269e3633c2bc337964b56e14f4a4e7c1b114d324e603 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8fcf08c86650ab6b9639471a0f6b34d64c1309c532574aac5e65ff324c1f1ada [INFO] running `Command { std: "docker" "start" "-a" "8fcf08c86650ab6b9639471a0f6b34d64c1309c532574aac5e65ff324c1f1ada", kill_on_drop: false }` [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking memsocket v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/bounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/unbounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/bounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/unbounded.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream::{Fuse, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | use tokio::prelude::*; [INFO] [stdout] | ----------------- the item `Stream` is already imported here [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] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> tests/unbounded_test.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / tokio::runtime::current_thread::Runtime::new() [INFO] [stdout] 32 | | .unwrap() [INFO] [stdout] 33 | | .block_on({ [INFO] [stdout] 34 | | tokio::io::read_to_end(server, vec![]) [INFO] [stdout] ... | [INFO] [stdout] 41 | | }) [INFO] [stdout] 42 | | .unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> tests/bounded_test.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / tokio::runtime::current_thread::Runtime::new() [INFO] [stdout] 32 | | .unwrap() [INFO] [stdout] 33 | | .block_on({ [INFO] [stdout] 34 | | tokio::io::read_to_end(server, vec![]) [INFO] [stdout] ... | [INFO] [stdout] 41 | | }) [INFO] [stdout] 42 | | .unwrap(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s [INFO] running `Command { std: "docker" "inspect" "8fcf08c86650ab6b9639471a0f6b34d64c1309c532574aac5e65ff324c1f1ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fcf08c86650ab6b9639471a0f6b34d64c1309c532574aac5e65ff324c1f1ada", kill_on_drop: false }` [INFO] [stdout] 8fcf08c86650ab6b9639471a0f6b34d64c1309c532574aac5e65ff324c1f1ada