[INFO] fetching crate executors 0.9.0...
[INFO] checking executors-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate executors 0.9.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate executors 0.9.0 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 executors 0.9.0
[INFO] finished tweaking crates.io crate executors 0.9.0
[INFO] tweaked toml for crates.io crate executors 0.9.0 written to /workspace/builds/worker-6-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 150 packages
[INFO] [stderr]       Adding aho-corasick v0.7.20 (latest: v1.1.3)
[INFO] [stderr]       Adding arr_macro v0.1.3 (latest: v0.2.1)
[INFO] [stderr]       Adding arr_macro_impl v0.1.3 (latest: v0.2.1)
[INFO] [stderr]       Adding atomic-shim v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding core_affinity v0.5.10 (latest: v0.8.1)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding crossbeam v0.7.3 (latest: v0.8.4)
[INFO] [stderr]       Adding crossbeam-channel v0.4.4 (latest: v0.5.12)
[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 ctor v0.1.26 (latest: v0.2.7)
[INFO] [stderr]       Adding dashmap v4.0.2 (latest: v5.5.3)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding memoffset v0.5.6 (latest: v0.9.1)
[INFO] [stderr]       Adding metrics v0.14.2 (latest: v0.22.3)
[INFO] [stderr]       Adding metrics-macros v0.2.0 (latest: v0.7.1)
[INFO] [stderr]       Adding metrics-util v0.6.2 (latest: v0.16.3)
[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding quanta v0.7.2 (latest: v0.12.3)
[INFO] [stderr]       Adding raw-cpuid v9.1.1 (latest: v11.0.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding sketches-ddsketch v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 sketches-ddsketch v0.1.3
[INFO] [stderr]   Downloaded metrics_printer v0.1.0
[INFO] [stderr]   Downloaded synchronoise v1.0.1
[INFO] [stderr]   Downloaded version-sync v0.9.5
[INFO] [stderr]   Downloaded quanta v0.7.2
[INFO] [stderr]   Downloaded metrics-macros v0.2.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded metrics v0.14.2
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.6
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded raw-cpuid v9.1.1
[INFO] [stderr]   Downloaded metrics-util v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 957ad18467c6b5ed37dce8c5b927524d2e079d4d24fcb586b0ae0082682c2a8b
[INFO] running `Command { std: "docker" "start" "-a" "957ad18467c6b5ed37dce8c5b927524d2e079d4d24fcb586b0ae0082682c2a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957ad18467c6b5ed37dce8c5b927524d2e079d4d24fcb586b0ae0082682c2a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957ad18467c6b5ed37dce8c5b927524d2e079d4d24fcb586b0ae0082682c2a8b", kill_on_drop: false }`
[INFO] [stdout] 957ad18467c6b5ed37dce8c5b927524d2e079d4d24fcb586b0ae0082682c2a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ba9ea5b602f9d01d795f5099dbb4c358b7bdefb4fb7b52af9eca1ae3030c0901
[INFO] running `Command { std: "docker" "start" "-a" "ba9ea5b602f9d01d795f5099dbb4c358b7bdefb4fb7b52af9eca1ae3030c0901", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking sketches-ddsketch v0.1.3
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking synchronoise v1.0.1
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling metrics-macros v0.2.0
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking executors v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FuturesExecutor` is imported redundantly
[INFO] [stdout]   --> src/crossbeam_workstealing_pool.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | use super::*;
[INFO] [stdout]    |     -------- the item `FuturesExecutor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 73 |     futures_executor::FuturesExecutor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `parker` is imported redundantly
[INFO] [stdout]   --> src/crossbeam_workstealing_pool.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | use super::*;
[INFO] [stdout]    |     -------- the item `parker` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 74 |     parker,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/crossbeam_workstealing_pool.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stdout] warning: trait `LogErrors` is never used
[INFO] [stdout]    --> src/common.rs:125:18
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(crate) trait LogErrors {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking metrics-util v0.6.2
[INFO] [stderr]     Checking metrics_printer v0.1.0
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/bichannel.rs:102:34
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] 102 |     use std::{sync::Arc, thread, time::Duration};
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FuturesExecutor` is imported redundantly
[INFO] [stdout]   --> src/crossbeam_workstealing_pool.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | use super::*;
[INFO] [stdout]    |     -------- the item `FuturesExecutor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 73 |     futures_executor::FuturesExecutor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/crossbeam_workstealing_pool.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LogErrors` is never used
[INFO] [stdout]    --> src/common.rs:125:18
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub(crate) trait LogErrors {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.44s
[INFO] running `Command { std: "docker" "inspect" "ba9ea5b602f9d01d795f5099dbb4c358b7bdefb4fb7b52af9eca1ae3030c0901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9ea5b602f9d01d795f5099dbb4c358b7bdefb4fb7b52af9eca1ae3030c0901", kill_on_drop: false }`
[INFO] [stdout] ba9ea5b602f9d01d795f5099dbb4c358b7bdefb4fb7b52af9eca1ae3030c0901