[INFO] fetching crate xtab 0.0.1...
[INFO] checking xtab-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate xtab 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate xtab 0.0.1 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 xtab 0.0.1
[INFO] finished tweaking crates.io crate xtab 0.0.1
[INFO] tweaked toml for crates.io crate xtab 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate xtab 0.0.1 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 clap v4.4.5
[INFO] [stderr]   Downloaded clap_builder v4.4.5
[INFO] [stderr]   Downloaded csv v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4121728a6581df378489debf68a381e50736df85c24380b9c52d5025abe54195
[INFO] running `Command { std: "docker" "start" "-a" "4121728a6581df378489debf68a381e50736df85c24380b9c52d5025abe54195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4121728a6581df378489debf68a381e50736df85c24380b9c52d5025abe54195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4121728a6581df378489debf68a381e50736df85c24380b9c52d5025abe54195", kill_on_drop: false }`
[INFO] [stdout] 4121728a6581df378489debf68a381e50736df85c24380b9c52d5025abe54195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7f47294da86a414d5f9c4835b7a626e7786191bac60653d47420278f520f8991
[INFO] running `Command { std: "docker" "start" "-a" "7f47294da86a414d5f9c4835b7a626e7786191bac60653d47420278f520f8991", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking xtab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------  ^^^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `BufRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:67
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------                                         ^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------  ^^^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `BufRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:67
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------                                         ^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `Write` is already imported 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.67s
[INFO] running `Command { std: "docker" "inspect" "7f47294da86a414d5f9c4835b7a626e7786191bac60653d47420278f520f8991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f47294da86a414d5f9c4835b7a626e7786191bac60653d47420278f520f8991", kill_on_drop: false }`
[INFO] [stdout] 7f47294da86a414d5f9c4835b7a626e7786191bac60653d47420278f520f8991
[INFO] checking xtab-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate xtab 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate xtab 0.0.1 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 xtab 0.0.1
[INFO] finished tweaking crates.io crate xtab 0.0.1
[INFO] tweaked toml for crates.io crate xtab 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate xtab 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5811aa7bda5bf6288b8484b07f40ed9bcf32ef7f4760032d92ae62cb84c29ed6
[INFO] running `Command { std: "docker" "start" "-a" "5811aa7bda5bf6288b8484b07f40ed9bcf32ef7f4760032d92ae62cb84c29ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5811aa7bda5bf6288b8484b07f40ed9bcf32ef7f4760032d92ae62cb84c29ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5811aa7bda5bf6288b8484b07f40ed9bcf32ef7f4760032d92ae62cb84c29ed6", kill_on_drop: false }`
[INFO] [stdout] 5811aa7bda5bf6288b8484b07f40ed9bcf32ef7f4760032d92ae62cb84c29ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9a768df602cadd272383b39c30b0cb839bad0f78648dc924b0fbe2393482a089
[INFO] running `Command { std: "docker" "start" "-a" "9a768df602cadd272383b39c30b0cb839bad0f78648dc924b0fbe2393482a089", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking xtab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------  ^^^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `BufRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:67
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------                                         ^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `Write` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------  ^^^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `BufRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/command/utils.rs:5:67
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, prelude::*, BufRead, BufReader, BufWriter, Result, Write},
[INFO] [stdout]   |                ----------                                         ^^^^^
[INFO] [stdout]   |                |
[INFO] [stdout]   |                the item `Write` is already imported 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.03s
[INFO] running `Command { std: "docker" "inspect" "9a768df602cadd272383b39c30b0cb839bad0f78648dc924b0fbe2393482a089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a768df602cadd272383b39c30b0cb839bad0f78648dc924b0fbe2393482a089", kill_on_drop: false }`
[INFO] [stdout] 9a768df602cadd272383b39c30b0cb839bad0f78648dc924b0fbe2393482a089