[INFO] fetching crate bach 0.0.6...
[INFO] checking bach-0.0.6 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bach 0.0.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate bach 0.0.6 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bach 0.0.6
[INFO] finished tweaking crates.io crate bach 0.0.6
[INFO] tweaked toml for crates.io crate bach 0.0.6 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.9.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded libtest-mimic v0.3.0
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded bolero-generator-derive v0.6.2
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] [stderr]   Downloaded pretty-hex v0.2.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded bolero v0.6.2
[INFO] [stderr]   Downloaded bolero-generator v0.6.2
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded bolero-engine v0.6.2
[INFO] [stderr]   Downloaded bolero-afl v0.6.2
[INFO] [stderr]   Downloaded bolero-libfuzzer v0.6.4
[INFO] [stderr]   Downloaded intrusive-collections v0.9.6
[INFO] [stderr]   Downloaded bolero-honggfuzz v0.6.2
[INFO] [stderr]   Downloaded rand_xoshiro v0.6.0
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da94f5de115b4febb55a1ad3b29853853aef17a174fd7ce3a4a75a438fbfd4be
[INFO] running `Command { std: "docker" "start" "-a" "da94f5de115b4febb55a1ad3b29853853aef17a174fd7ce3a4a75a438fbfd4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da94f5de115b4febb55a1ad3b29853853aef17a174fd7ce3a4a75a438fbfd4be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da94f5de115b4febb55a1ad3b29853853aef17a174fd7ce3a4a75a438fbfd4be", kill_on_drop: false }`
[INFO] [stdout] da94f5de115b4febb55a1ad3b29853853aef17a174fd7ce3a4a75a438fbfd4be
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383e945140d864890e5272c2e4273147de46cae3b632298326e82bac329e7385
[INFO] running `Command { std: "docker" "start" "-a" "383e945140d864890e5272c2e4273147de46cae3b632298326e82bac329e7385", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking pretty-hex v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking intrusive-collections v0.9.6
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking bolero-generator v0.6.2
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking bach v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking libtest-mimic v0.3.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking bolero-engine v0.6.2
[INFO] [stderr]     Checking bolero v0.6.2
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/time/bitset.rs:83:40
[INFO] [stdout]    |
[INFO] [stdout] 83 |     use alloc::{collections::BTreeSet, vec::Vec};
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[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/time/scheduler.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     use alloc::vec::Vec;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]    --> src/time/wheel.rs:194:22
[INFO] [stdout]     |
[INFO] [stdout] 194 |     use alloc::{vec, vec::Vec};
[INFO] [stdout]     |                      ^^^^^^^^
[INFO] [stdout]    --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[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 3.36s
[INFO] running `Command { std: "docker" "inspect" "383e945140d864890e5272c2e4273147de46cae3b632298326e82bac329e7385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383e945140d864890e5272c2e4273147de46cae3b632298326e82bac329e7385", kill_on_drop: false }`
[INFO] [stdout] 383e945140d864890e5272c2e4273147de46cae3b632298326e82bac329e7385
