[INFO] fetching crate valley-free 0.2.0...
[INFO] checking valley-free-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate valley-free 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate valley-free 0.2.0 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 valley-free 0.2.0
[INFO] finished tweaking crates.io crate valley-free 0.2.0
[INFO] tweaked toml for crates.io crate valley-free 0.2.0 written to /workspace/builds/worker-3-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 34 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding indoc v0.3.6 (latest: v2.0.5)
[INFO] [stderr]       Adding indoc-impl v0.3.6 (latest: v0.3.7)
[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 paste v0.1.18 (latest: v1.0.14)
[INFO] [stderr]       Adding pyo3 v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-build-config v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding pyo3-macros-backend v0.15.2 (latest: v0.21.1)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0ba298f88caf03408316228b30736117b21a4e491b52f9acdebf6a9cece8f9a7
[INFO] running `Command { std: "docker" "start" "-a" "0ba298f88caf03408316228b30736117b21a4e491b52f9acdebf6a9cece8f9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ba298f88caf03408316228b30736117b21a4e491b52f9acdebf6a9cece8f9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba298f88caf03408316228b30736117b21a4e491b52f9acdebf6a9cece8f9a7", kill_on_drop: false }`
[INFO] [stdout] 0ba298f88caf03408316228b30736117b21a4e491b52f9acdebf6a9cece8f9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ef0b4dea57f60eca12eb095a57f5b6e2c17af2061ea4e00a4815ca9f45e2fc93
[INFO] running `Command { std: "docker" "start" "-a" "ef0b4dea57f60eca12eb095a57f5b6e2c17af2061ea4e00a4815ca9f45e2fc93", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking valley-free v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:321:15
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use std::{fs::File, io::BufReader};
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 322 |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufReader` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use std::{fs::File, io::BufReader};
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout] 322 |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `BufReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BzDecoder` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `BzDecoder` is already imported here
[INFO] [stdout] 324 |     use bzip2::read::BzDecoder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.76s
[INFO] running `Command { std: "docker" "inspect" "ef0b4dea57f60eca12eb095a57f5b6e2c17af2061ea4e00a4815ca9f45e2fc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0b4dea57f60eca12eb095a57f5b6e2c17af2061ea4e00a4815ca9f45e2fc93", kill_on_drop: false }`
[INFO] [stdout] ef0b4dea57f60eca12eb095a57f5b6e2c17af2061ea4e00a4815ca9f45e2fc93
[INFO] checking valley-free-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate valley-free 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate valley-free 0.2.0 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 valley-free 0.2.0
[INFO] finished tweaking crates.io crate valley-free 0.2.0
[INFO] tweaked toml for crates.io crate valley-free 0.2.0 written to /workspace/builds/worker-3-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6bbb2a99d2d1c54d365a7ca3b3e2c624b5ccd2a0262867d3d5f13883bb42ca57
[INFO] running `Command { std: "docker" "start" "-a" "6bbb2a99d2d1c54d365a7ca3b3e2c624b5ccd2a0262867d3d5f13883bb42ca57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbb2a99d2d1c54d365a7ca3b3e2c624b5ccd2a0262867d3d5f13883bb42ca57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbb2a99d2d1c54d365a7ca3b3e2c624b5ccd2a0262867d3d5f13883bb42ca57", kill_on_drop: false }`
[INFO] [stdout] 6bbb2a99d2d1c54d365a7ca3b3e2c624b5ccd2a0262867d3d5f13883bb42ca57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 241599dc881a448b96a490acc1ddc7406393fe36b9ed0b1a27dcbaaff917c463
[INFO] running `Command { std: "docker" "start" "-a" "241599dc881a448b96a490acc1ddc7406393fe36b9ed0b1a27dcbaaff917c463", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking valley-free v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:321:15
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use std::{fs::File, io::BufReader};
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 322 |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufReader` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |     use std::{fs::File, io::BufReader};
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout] 322 |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `BufReader` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BzDecoder` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |     use crate::*;
[INFO] [stdout]     |         -------- the item `BzDecoder` is already imported here
[INFO] [stdout] 324 |     use bzip2::read::BzDecoder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.52s
[INFO] running `Command { std: "docker" "inspect" "241599dc881a448b96a490acc1ddc7406393fe36b9ed0b1a27dcbaaff917c463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241599dc881a448b96a490acc1ddc7406393fe36b9ed0b1a27dcbaaff917c463", kill_on_drop: false }`
[INFO] [stdout] 241599dc881a448b96a490acc1ddc7406393fe36b9ed0b1a27dcbaaff917c463