[INFO] fetching crate qr_code 2.0.0...
[INFO] checking qr_code-2.0.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate qr_code 2.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate qr_code 2.0.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr_code 2.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate qr_code 2.0.0
[INFO] tweaked toml for crates.io crate qr_code 2.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate qr_code 2.0.0 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded g2poly v0.4.0
[INFO] [stderr]   Downloaded g2p v0.4.0
[INFO] [stderr]   Downloaded bmp-monochrome v1.1.0
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded g2gen v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2453b7ada5ae20c6b42d7e7a2c2b4c9ab48fba3c357bef43616eafd85d2036b
[INFO] running `Command { std: "docker" "start" "-a" "b2453b7ada5ae20c6b42d7e7a2c2b4c9ab48fba3c357bef43616eafd85d2036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2453b7ada5ae20c6b42d7e7a2c2b4c9ab48fba3c357bef43616eafd85d2036b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2453b7ada5ae20c6b42d7e7a2c2b4c9ab48fba3c357bef43616eafd85d2036b", kill_on_drop: false }`
[INFO] [stdout] b2453b7ada5ae20c6b42d7e7a2c2b4c9ab48fba3c357bef43616eafd85d2036b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3642310832f67227be4c0f2788481d4de3ff5312113473df46354b5723806cd1
[INFO] running `Command { std: "docker" "start" "-a" "3642310832f67227be4c0f2788481d4de3ff5312113473df46354b5723806cd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking qr_code v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `PartialOrd` is imported redundantly
[INFO] [stdout]    --> src/optimize.rs:396:30
[INFO] [stdout]     |
[INFO] [stdout] 396 |     use std::cmp::{Ordering, PartialOrd};
[INFO] [stdout]     |                              ^^^^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `PartialOrd` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:8:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qr_code` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3642310832f67227be4c0f2788481d4de3ff5312113473df46354b5723806cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3642310832f67227be4c0f2788481d4de3ff5312113473df46354b5723806cd1", kill_on_drop: false }`
[INFO] [stdout] 3642310832f67227be4c0f2788481d4de3ff5312113473df46354b5723806cd1
[INFO] checking qr_code-2.0.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate qr_code 2.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate qr_code 2.0.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr_code 2.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate qr_code 2.0.0
[INFO] tweaked toml for crates.io crate qr_code 2.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate qr_code 2.0.0 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722571cbc417c098214a1652a3d86d44599c3825cbd29328b502e3df4484bbbc
[INFO] running `Command { std: "docker" "start" "-a" "722571cbc417c098214a1652a3d86d44599c3825cbd29328b502e3df4484bbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722571cbc417c098214a1652a3d86d44599c3825cbd29328b502e3df4484bbbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722571cbc417c098214a1652a3d86d44599c3825cbd29328b502e3df4484bbbc", kill_on_drop: false }`
[INFO] [stdout] 722571cbc417c098214a1652a3d86d44599c3825cbd29328b502e3df4484bbbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d01836f28bf07fee47f2feeb3e4db712bc7bb757243ec5144b8e1418ab3b41
[INFO] running `Command { std: "docker" "start" "-a" "d9d01836f28bf07fee47f2feeb3e4db712bc7bb757243ec5144b8e1418ab3b41", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d9d01836f28bf07fee47f2feeb3e4db712bc7bb757243ec5144b8e1418ab3b41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d01836f28bf07fee47f2feeb3e4db712bc7bb757243ec5144b8e1418ab3b41", kill_on_drop: false }`
[INFO] [stdout] d9d01836f28bf07fee47f2feeb3e4db712bc7bb757243ec5144b8e1418ab3b41