[INFO] cloning repository https://github.com/kmeng01/vtracer-python
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmeng01/vtracer-python" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmeng01%2Fvtracer-python", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmeng01%2Fvtracer-python'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e07048ad1001768b1a3832dc440303e1a1b40bd
[INFO] checking kmeng01/vtracer-python against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmeng01%2Fvtracer-python" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmeng01/vtracer-python 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 git repo https://github.com/kmeng01/vtracer-python
[INFO] finished tweaking git repo https://github.com/kmeng01/vtracer-python
[INFO] tweaked toml for git repo https://github.com/kmeng01/vtracer-python written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kmeng01/vtracer-python 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/kmeng01/vtracer`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.10
[INFO] [stderr]   Downloaded roots v0.0.6
[INFO] [stderr]   Downloaded visioncortex v0.6.1
[INFO] [stderr]   Downloaded flo_curves v0.3.1
[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] 65953695a697a8cdb82a48cfe1a718d8811debd7bc02b2f200716c8831ee64ee
[INFO] running `Command { std: "docker" "start" "-a" "65953695a697a8cdb82a48cfe1a718d8811debd7bc02b2f200716c8831ee64ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65953695a697a8cdb82a48cfe1a718d8811debd7bc02b2f200716c8831ee64ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65953695a697a8cdb82a48cfe1a718d8811debd7bc02b2f200716c8831ee64ee", kill_on_drop: false }`
[INFO] [stdout] 65953695a697a8cdb82a48cfe1a718d8811debd7bc02b2f200716c8831ee64ee
[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] 19dac7ab97853ce9b12668848f6d9b5b859f1dfbd7a8a33803a3cafd5481f75c
[INFO] running `Command { std: "docker" "start" "-a" "19dac7ab97853ce9b12668848f6d9b5b859f1dfbd7a8a33803a3cafd5481f75c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling target-lexicon v0.12.4
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking roots v0.0.6
[INFO] [stderr]     Checking bytemuck v1.11.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking flo_curves v0.3.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking png v0.17.5
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]     Checking unindent v0.1.10
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling pyo3-build-config v0.16.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking visioncortex v0.6.1
[INFO] [stderr]    Compiling pyo3-ffi v0.16.5
[INFO] [stderr]    Compiling pyo3 v0.16.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking jpeg-decoder v0.2.6
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking tiff v0.7.3
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.5
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling pyo3-macros v0.16.5
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking vtracer v0.4.0 (https://github.com/kmeng01/vtracer#5a8fd9cd)
[INFO] [stderr]     Checking image v0.24.3
[INFO] [stderr]     Checking rustpy_vtracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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/algo.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "19dac7ab97853ce9b12668848f6d9b5b859f1dfbd7a8a33803a3cafd5481f75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19dac7ab97853ce9b12668848f6d9b5b859f1dfbd7a8a33803a3cafd5481f75c", kill_on_drop: false }`
[INFO] [stdout] 19dac7ab97853ce9b12668848f6d9b5b859f1dfbd7a8a33803a3cafd5481f75c