[INFO] fetching crate oars 3.0.1...
[INFO] checking oars-3.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate oars 3.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate oars 3.0.1 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 oars 3.0.1
[INFO] finished tweaking crates.io crate oars 3.0.1
[INFO] tweaked toml for crates.io crate oars 3.0.1 written to /workspace/builds/worker-0-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 82 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[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 half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding matrixmultiply v0.2.4 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.14.0 (latest: v0.15.6)
[INFO] [stderr]       Adding num v0.3.1 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.3.1 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.1)
[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 wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 oars_proc_macro v0.1.1
[INFO] [stderr]   Downloaded primes v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f4d7181d3bb65b5a49b93a436572a5449be9d6e4bf4c9eb96cd4d34200d7b75c
[INFO] running `Command { std: "docker" "start" "-a" "f4d7181d3bb65b5a49b93a436572a5449be9d6e4bf4c9eb96cd4d34200d7b75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d7181d3bb65b5a49b93a436572a5449be9d6e4bf4c9eb96cd4d34200d7b75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d7181d3bb65b5a49b93a436572a5449be9d6e4bf4c9eb96cd4d34200d7b75c", kill_on_drop: false }`
[INFO] [stdout] f4d7181d3bb65b5a49b93a436572a5449be9d6e4bf4c9eb96cd4d34200d7b75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b476893f6ad99a6356ea47c3ebcc9d4ff5e46e3cca79255e1ea6814d1df1bef0
[INFO] running `Command { std: "docker" "start" "-a" "b476893f6ad99a6356ea47c3ebcc9d4ff5e46e3cca79255e1ea6814d1df1bef0", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking primes v0.3.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling oars_proc_macro v0.1.1
[INFO] [stderr]     Checking oars v3.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `num` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::{self, NumCast};
[INFO] [stdout]   |           ^^^^ the item `num` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: the item `HashSet` is imported redundantly
[INFO] [stdout]    --> src/soa.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     use super::*;
[INFO] [stdout]     |         -------- the item `HashSet` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 154 |     use std::collections::HashSet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::{self, NumCast};
[INFO] [stdout]   |           ^^^^ the item `num` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.17s
[INFO] running `Command { std: "docker" "inspect" "b476893f6ad99a6356ea47c3ebcc9d4ff5e46e3cca79255e1ea6814d1df1bef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b476893f6ad99a6356ea47c3ebcc9d4ff5e46e3cca79255e1ea6814d1df1bef0", kill_on_drop: false }`
[INFO] [stdout] b476893f6ad99a6356ea47c3ebcc9d4ff5e46e3cca79255e1ea6814d1df1bef0