[INFO] fetching crate pastel 0.9.0...
[INFO] checking pastel-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pastel 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate pastel 0.9.0 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 pastel 0.9.0
[INFO] finished tweaking crates.io crate pastel 0.9.0
[INFO] tweaked toml for crates.io crate pastel 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate pastel 0.9.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded semver v1.0.9
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded criterion-plot v0.4.4
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded clap_complete v3.1.4
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] [stderr]   Downloaded criterion v0.3.5
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 00a5f16489af7de2d1b5b53813728ec8d97bc3dced7b78c0cbe111c277a9ac68
[INFO] running `Command { std: "docker" "start" "-a" "00a5f16489af7de2d1b5b53813728ec8d97bc3dced7b78c0cbe111c277a9ac68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00a5f16489af7de2d1b5b53813728ec8d97bc3dced7b78c0cbe111c277a9ac68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a5f16489af7de2d1b5b53813728ec8d97bc3dced7b78c0cbe111c277a9ac68", kill_on_drop: false }`
[INFO] [stdout] 00a5f16489af7de2d1b5b53813728ec8d97bc3dced7b78c0cbe111c277a9ac68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aaf14ed83ad82ab77ad16509834bf29895e94fe8804064635740589ef07cdbb6
[INFO] running `Command { std: "docker" "start" "-a" "aaf14ed83ad82ab77ad16509834bf29895e94fe8804064635740589ef07cdbb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling output_vt100 v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling syn v1.0.95
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking rayon-core v1.9.3
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[INFO] [stderr]     Checking csv v1.1.6
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[INFO] [stderr]     Checking criterion-plot v0.4.4
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[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking oorandom v11.1.3
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[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling pastel v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Brush` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/colorcheck.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `Brush` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use pastel::ansi::{Brush, Mode};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/gray.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `Color` is already imported here
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use pastel::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToAnsiStyle` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `ToAnsiStyle` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use pastel::ansi::ToAnsiStyle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ColorArgIterator` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/paint.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `ColorArgIterator` is already imported here
[INFO] [stdout] 4 |
[INFO] [stdout] 5 | use super::io::ColorArgIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: the item `Brush` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/colorcheck.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `Brush` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use pastel::ansi::{Brush, Mode};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Color` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/gray.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `Color` is already imported here
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use pastel::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToAnsiStyle` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `ToAnsiStyle` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use pastel::ansi::ToAnsiStyle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ColorArgIterator` is imported redundantly
[INFO] [stdout]  --> src/cli/commands/paint.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::commands::prelude::*;
[INFO] [stdout]   |     --------------------------- the item `ColorArgIterator` is already imported here
[INFO] [stdout] 4 |
[INFO] [stdout] 5 | use super::io::ColorArgIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "aaf14ed83ad82ab77ad16509834bf29895e94fe8804064635740589ef07cdbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf14ed83ad82ab77ad16509834bf29895e94fe8804064635740589ef07cdbb6", kill_on_drop: false }`
[INFO] [stdout] aaf14ed83ad82ab77ad16509834bf29895e94fe8804064635740589ef07cdbb6