[INFO] fetching crate unsend 0.2.1... [INFO] checking unsend-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate unsend 0.2.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate unsend 0.2.1 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 unsend 0.2.1 [INFO] finished tweaking crates.io crate unsend 0.2.1 [INFO] tweaked toml for crates.io crate unsend 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate unsend 0.2.1 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded atomic-waker v1.1.1 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded async-lock v2.7.0 [INFO] [stderr] Downloaded async-task v4.4.0 [INFO] [stderr] Downloaded rustix v0.37.15 [INFO] [stderr] Downloaded linux-raw-sys v0.3.4 [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] 236bff7f03027efbbf609edb8f0929ca178a01b9607fdb1b89bc6bc2b75d732c [INFO] running `Command { std: "docker" "start" "-a" "236bff7f03027efbbf609edb8f0929ca178a01b9607fdb1b89bc6bc2b75d732c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "236bff7f03027efbbf609edb8f0929ca178a01b9607fdb1b89bc6bc2b75d732c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "236bff7f03027efbbf609edb8f0929ca178a01b9607fdb1b89bc6bc2b75d732c", kill_on_drop: false }` [INFO] [stdout] 236bff7f03027efbbf609edb8f0929ca178a01b9607fdb1b89bc6bc2b75d732c [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] 5ef03f918ce42d358eff044862c39256f7ab953c94503800eb45349bb8339321 [INFO] running `Command { std: "docker" "start" "-a" "5ef03f918ce42d358eff044862c39256f7ab953c94503800eb45349bb8339321", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.15 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking async-channel v1.8.0 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking unsend v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::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: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::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 `Context` is imported redundantly [INFO] [stdout] --> src/event.rs:635:21 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Context` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Waker` is imported redundantly [INFO] [stdout] --> src/event.rs:635:36 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Waker` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s [INFO] running `Command { std: "docker" "inspect" "5ef03f918ce42d358eff044862c39256f7ab953c94503800eb45349bb8339321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ef03f918ce42d358eff044862c39256f7ab953c94503800eb45349bb8339321", kill_on_drop: false }` [INFO] [stdout] 5ef03f918ce42d358eff044862c39256f7ab953c94503800eb45349bb8339321 [INFO] checking unsend-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate unsend 0.2.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate unsend 0.2.1 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 unsend 0.2.1 [INFO] finished tweaking crates.io crate unsend 0.2.1 [INFO] tweaked toml for crates.io crate unsend 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate unsend 0.2.1 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] db49f9536ecafaa34636a6e2de0694a6fcfde9798e720e7dcbd06b3ef9953b99 [INFO] running `Command { std: "docker" "start" "-a" "db49f9536ecafaa34636a6e2de0694a6fcfde9798e720e7dcbd06b3ef9953b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db49f9536ecafaa34636a6e2de0694a6fcfde9798e720e7dcbd06b3ef9953b99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db49f9536ecafaa34636a6e2de0694a6fcfde9798e720e7dcbd06b3ef9953b99", kill_on_drop: false }` [INFO] [stdout] db49f9536ecafaa34636a6e2de0694a6fcfde9798e720e7dcbd06b3ef9953b99 [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] 747480b859392f6b1a56994965fdcaade222bae779042bb4df127868b18737e2 [INFO] running `Command { std: "docker" "start" "-a" "747480b859392f6b1a56994965fdcaade222bae779042bb4df127868b18737e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.15 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.8.0 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking unsend v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::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: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/executor.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use core::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | use futures_lite::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 `Context` is imported redundantly [INFO] [stdout] --> src/event.rs:635:21 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Context` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Waker` is imported redundantly [INFO] [stdout] --> src/event.rs:635:36 [INFO] [stdout] | [INFO] [stdout] 630 | use super::*; [INFO] [stdout] | -------- the item `Waker` is already imported here [INFO] [stdout] ... [INFO] [stdout] 635 | use std::task::{Context, Wake, Waker}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s [INFO] running `Command { std: "docker" "inspect" "747480b859392f6b1a56994965fdcaade222bae779042bb4df127868b18737e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "747480b859392f6b1a56994965fdcaade222bae779042bb4df127868b18737e2", kill_on_drop: false }` [INFO] [stdout] 747480b859392f6b1a56994965fdcaade222bae779042bb4df127868b18737e2