[INFO] cloning repository https://github.com/Alfex4936/Rust-PyO3-Sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alfex4936/Rust-PyO3-Sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlfex4936%2FRust-PyO3-Sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlfex4936%2FRust-PyO3-Sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c58b3c8f46ebe86501fef8dad25d9bd45c4a376
[INFO] checking Alfex4936/Rust-PyO3-Sort against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlfex4936%2FRust-PyO3-Sort" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alfex4936/Rust-PyO3-Sort 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/Alfex4936/Rust-PyO3-Sort
[INFO] finished tweaking git repo https://github.com/Alfex4936/Rust-PyO3-Sort
[INFO] tweaked toml for git repo https://github.com/Alfex4936/Rust-PyO3-Sort written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Alfex4936/Rust-PyO3-Sort 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]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded ghost v0.1.2
[INFO] [stderr]   Downloaded lock_api v0.4.3
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded libc v0.2.93
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 945962f9239c48897e38a9d4cc11a5b5a1b9a9a1b687b920a38728dcbb6ed800
[INFO] running `Command { std: "docker" "start" "-a" "945962f9239c48897e38a9d4cc11a5b5a1b9a9a1b687b920a38728dcbb6ed800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945962f9239c48897e38a9d4cc11a5b5a1b9a9a1b687b920a38728dcbb6ed800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945962f9239c48897e38a9d4cc11a5b5a1b9a9a1b687b920a38728dcbb6ed800", kill_on_drop: false }`
[INFO] [stdout] 945962f9239c48897e38a9d4cc11a5b5a1b9a9a1b687b920a38728dcbb6ed800
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b13bd12e6c35e14b0274830e16b19c6648c96c865c6fb6cf4e7a9e7be99e8151
[INFO] running `Command { std: "docker" "start" "-a" "b13bd12e6c35e14b0274830e16b19c6648c96c865c6fb6cf4e7a9e7be99e8151", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking pysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PyInt`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyInt`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed` is never read
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut changed = false;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed` is never read
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut changed = false;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.20s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b13bd12e6c35e14b0274830e16b19c6648c96c865c6fb6cf4e7a9e7be99e8151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13bd12e6c35e14b0274830e16b19c6648c96c865c6fb6cf4e7a9e7be99e8151", kill_on_drop: false }`
[INFO] [stdout] b13bd12e6c35e14b0274830e16b19c6648c96c865c6fb6cf4e7a9e7be99e8151
[INFO] checking Alfex4936/Rust-PyO3-Sort against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlfex4936%2FRust-PyO3-Sort" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alfex4936/Rust-PyO3-Sort 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 git repo https://github.com/Alfex4936/Rust-PyO3-Sort
[INFO] finished tweaking git repo https://github.com/Alfex4936/Rust-PyO3-Sort
[INFO] tweaked toml for git repo https://github.com/Alfex4936/Rust-PyO3-Sort written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Alfex4936/Rust-PyO3-Sort 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae09aa7289de7e4e035d7f807aa554a6b4f2ba044feb84cfc6742231b7df6632
[INFO] running `Command { std: "docker" "start" "-a" "ae09aa7289de7e4e035d7f807aa554a6b4f2ba044feb84cfc6742231b7df6632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae09aa7289de7e4e035d7f807aa554a6b4f2ba044feb84cfc6742231b7df6632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae09aa7289de7e4e035d7f807aa554a6b4f2ba044feb84cfc6742231b7df6632", kill_on_drop: false }`
[INFO] [stdout] ae09aa7289de7e4e035d7f807aa554a6b4f2ba044feb84cfc6742231b7df6632
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d95b55118647bdfb9d0cfe44061b2c06c199e3b8edc66f2ee663e898b449cda7
[INFO] running `Command { std: "docker" "start" "-a" "d95b55118647bdfb9d0cfe44061b2c06c199e3b8edc66f2ee663e898b449cda7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking pysort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PyInt`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PyInt`
[INFO] [stdout]  --> src/lib.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pyo3::types::{PyInt, PyList};
[INFO] [stdout]   |                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed` is never read
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut changed = false;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `changed` is never read
[INFO] [stdout]   --> src/lib.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut changed = false;
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pyo3 v0.13.2, pyo3-macros-backend v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d95b55118647bdfb9d0cfe44061b2c06c199e3b8edc66f2ee663e898b449cda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95b55118647bdfb9d0cfe44061b2c06c199e3b8edc66f2ee663e898b449cda7", kill_on_drop: false }`
[INFO] [stdout] d95b55118647bdfb9d0cfe44061b2c06c199e3b8edc66f2ee663e898b449cda7