[INFO] fetching crate vampirc-io 0.3.0... [INFO] checking vampirc-io-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate vampirc-io 0.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate vampirc-io 0.3.0 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 vampirc-io 0.3.0 [INFO] finished tweaking crates.io crate vampirc-io 0.3.0 [INFO] tweaked toml for crates.io crate vampirc-io 0.3.0 written to /workspace/builds/worker-2-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 113 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding async-io v1.13.0 (latest: v2.3.2) [INFO] [stderr] Adding async-lock v2.8.0 (latest: v3.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener v4.0.3 (latest: v5.3.0) [INFO] [stderr] Adding event-listener-strategy v0.4.0 (latest: v0.5.1) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding gloo-timers v0.2.6 (latest: v0.3.0) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding linux-raw-sys v0.3.8 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding polling v2.8.0 (latest: v3.6.0) [INFO] [stderr] Adding rustix v0.37.27 (latest: v0.38.32) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding vampirc-uci v0.9.0 (latest: v0.11.1) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vampirc-uci v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2e32a8d16c14edbb84e62fdd032d2b05e30bcd28ae35d2fc67bed8b2c39f644f [INFO] running `Command { std: "docker" "start" "-a" "2e32a8d16c14edbb84e62fdd032d2b05e30bcd28ae35d2fc67bed8b2c39f644f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e32a8d16c14edbb84e62fdd032d2b05e30bcd28ae35d2fc67bed8b2c39f644f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e32a8d16c14edbb84e62fdd032d2b05e30bcd28ae35d2fc67bed8b2c39f644f", kill_on_drop: false }` [INFO] [stdout] 2e32a8d16c14edbb84e62fdd032d2b05e30bcd28ae35d2fc67bed8b2c39f644f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 533190cb744c0d745673e94ab033d38f2179d91bf5dba8548dadd32ed1813af3 [INFO] running `Command { std: "docker" "start" "-a" "533190cb744c0d745673e94ab033d38f2179d91bf5dba8548dadd32ed1813af3", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stderr] Compiling pest_generator v2.7.9 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling pest_derive v2.7.9 [INFO] [stderr] Checking vampirc-uci v0.9.0 [INFO] [stderr] Checking vampirc-io v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/io.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use async_std::future::{Future, ready}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 4 | use async_std::io; [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Future` 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/io.rs:7:73 [INFO] [stdout] | [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Stream` is already imported here [INFO] [stdout] 6 | use async_std::task::block_on; [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWriteExt, FutureExt, join, Sink, SinkExt, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/io.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use async_std::future::{Future, ready}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 4 | use async_std::io; [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Future` 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/io.rs:7:73 [INFO] [stdout] | [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Stream` is already imported here [INFO] [stdout] 6 | use async_std::task::block_on; [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWriteExt, FutureExt, join, Sink, SinkExt, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^ [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` profile [unoptimized + debuginfo] target(s) in 7.11s [INFO] running `Command { std: "docker" "inspect" "533190cb744c0d745673e94ab033d38f2179d91bf5dba8548dadd32ed1813af3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "533190cb744c0d745673e94ab033d38f2179d91bf5dba8548dadd32ed1813af3", kill_on_drop: false }` [INFO] [stdout] 533190cb744c0d745673e94ab033d38f2179d91bf5dba8548dadd32ed1813af3 [INFO] checking vampirc-io-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate vampirc-io 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate vampirc-io 0.3.0 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 vampirc-io 0.3.0 [INFO] finished tweaking crates.io crate vampirc-io 0.3.0 [INFO] tweaked toml for crates.io crate vampirc-io 0.3.0 written to /workspace/builds/worker-2-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e91d48fdde1fe7d47c1bf2b44e5f064a6bffb96b56442cd0ecf9713bd5a816b8 [INFO] running `Command { std: "docker" "start" "-a" "e91d48fdde1fe7d47c1bf2b44e5f064a6bffb96b56442cd0ecf9713bd5a816b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e91d48fdde1fe7d47c1bf2b44e5f064a6bffb96b56442cd0ecf9713bd5a816b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e91d48fdde1fe7d47c1bf2b44e5f064a6bffb96b56442cd0ecf9713bd5a816b8", kill_on_drop: false }` [INFO] [stdout] e91d48fdde1fe7d47c1bf2b44e5f064a6bffb96b56442cd0ecf9713bd5a816b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2a75ce04b5208e09135e70e578c569165833af5bb71a1dd849c0a81a42349d4e [INFO] running `Command { std: "docker" "start" "-a" "2a75ce04b5208e09135e70e578c569165833af5bb71a1dd849c0a81a42349d4e", kill_on_drop: false }` [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stderr] Compiling pest_generator v2.7.9 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling pest_derive v2.7.9 [INFO] [stderr] Checking vampirc-uci v0.9.0 [INFO] [stderr] Checking vampirc-io v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/io.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use async_std::future::{Future, ready}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 4 | use async_std::io; [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Future` 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/io.rs:7:73 [INFO] [stdout] | [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Stream` is already imported here [INFO] [stdout] 6 | use async_std::task::block_on; [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWriteExt, FutureExt, join, Sink, SinkExt, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/io.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use async_std::future::{Future, ready}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 4 | use async_std::io; [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Future` 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/io.rs:7:73 [INFO] [stdout] | [INFO] [stdout] 5 | use async_std::prelude::*; [INFO] [stdout] | --------------------- the item `Stream` is already imported here [INFO] [stdout] 6 | use async_std::task::block_on; [INFO] [stdout] 7 | use futures::{AsyncRead, AsyncWriteExt, FutureExt, join, Sink, SinkExt, Stream, StreamExt, TryStreamExt}; [INFO] [stdout] | ^^^^^^ [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` profile [unoptimized + debuginfo] target(s) in 6.05s [INFO] running `Command { std: "docker" "inspect" "2a75ce04b5208e09135e70e578c569165833af5bb71a1dd849c0a81a42349d4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a75ce04b5208e09135e70e578c569165833af5bb71a1dd849c0a81a42349d4e", kill_on_drop: false }` [INFO] [stdout] 2a75ce04b5208e09135e70e578c569165833af5bb71a1dd849c0a81a42349d4e