[INFO] fetching crate tre-command 0.4.0...
[INFO] checking tre-command-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tre-command 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tre-command 0.4.0 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 tre-command 0.4.0
[INFO] finished tweaking crates.io crate tre-command 0.4.0
[INFO] tweaked toml for crates.io crate tre-command 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate tre-command 0.4.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded lscolors v0.7.1
[INFO] [stderr]   Downloaded clap_complete v3.1.4
[INFO] [stderr]   Downloaded syn v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7a4e04269cb8479244ee62c71a2c13f424e5fafa69258e4448cf32ddc70f5f77
[INFO] running `Command { std: "docker" "start" "-a" "7a4e04269cb8479244ee62c71a2c13f424e5fafa69258e4448cf32ddc70f5f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a4e04269cb8479244ee62c71a2c13f424e5fafa69258e4448cf32ddc70f5f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4e04269cb8479244ee62c71a2c13f424e5fafa69258e4448cf32ddc70f5f77", kill_on_drop: false }`
[INFO] [stdout] 7a4e04269cb8479244ee62c71a2c13f424e5fafa69258e4448cf32ddc70f5f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2b0ec5e4b9b5064c1d628c1872d1b15266cd74700404cbf7a0b62bffadec0f45
[INFO] running `Command { std: "docker" "start" "-a" "2b0ec5e4b9b5064c1d628c1872d1b15266cd74700404cbf7a0b62bffadec0f45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling os_str_bytes v6.0.1
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking lscolors v0.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling clap_complete v3.1.4
[INFO] [stderr]    Compiling tre-command v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stdout] warning: the item `lscolors` is imported redundantly
[INFO] [stdout]  --> src/output.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lscolors::{self, LsColors, Style};
[INFO] [stdout]   |                ^^^^ the item `lscolors` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lscolors` is imported redundantly
[INFO] [stdout]  --> src/output.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lscolors::{self, LsColors, Style};
[INFO] [stdout]   |                ^^^^ the item `lscolors` is already defined by prelude
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "2b0ec5e4b9b5064c1d628c1872d1b15266cd74700404cbf7a0b62bffadec0f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0ec5e4b9b5064c1d628c1872d1b15266cd74700404cbf7a0b62bffadec0f45", kill_on_drop: false }`
[INFO] [stdout] 2b0ec5e4b9b5064c1d628c1872d1b15266cd74700404cbf7a0b62bffadec0f45
[INFO] checking tre-command-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tre-command 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tre-command 0.4.0 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 tre-command 0.4.0
[INFO] finished tweaking crates.io crate tre-command 0.4.0
[INFO] tweaked toml for crates.io crate tre-command 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate tre-command 0.4.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 63f98d31d0b8690557a417e0f579a9ec8c5092dd83ea8add4579b3fba1146e24
[INFO] running `Command { std: "docker" "start" "-a" "63f98d31d0b8690557a417e0f579a9ec8c5092dd83ea8add4579b3fba1146e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f98d31d0b8690557a417e0f579a9ec8c5092dd83ea8add4579b3fba1146e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f98d31d0b8690557a417e0f579a9ec8c5092dd83ea8add4579b3fba1146e24", kill_on_drop: false }`
[INFO] [stdout] 63f98d31d0b8690557a417e0f579a9ec8c5092dd83ea8add4579b3fba1146e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 44599e49c40321aa280a8618bc83c430d5cd718fd195cc804a90c4a677d980c1
[INFO] running `Command { std: "docker" "start" "-a" "44599e49c40321aa280a8618bc83c430d5cd718fd195cc804a90c4a677d980c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.1
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.9.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking lscolors v0.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling clap_complete v3.1.4
[INFO] [stderr]    Compiling tre-command v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stdout] warning: the item `lscolors` is imported redundantly
[INFO] [stdout]  --> src/output.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lscolors::{self, LsColors, Style};
[INFO] [stdout]   |                ^^^^ the item `lscolors` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `lscolors` is imported redundantly
[INFO] [stdout]  --> src/output.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lscolors::{self, LsColors, Style};
[INFO] [stdout]   |                ^^^^ the item `lscolors` is already defined by prelude
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "44599e49c40321aa280a8618bc83c430d5cd718fd195cc804a90c4a677d980c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44599e49c40321aa280a8618bc83c430d5cd718fd195cc804a90c4a677d980c1", kill_on_drop: false }`
[INFO] [stdout] 44599e49c40321aa280a8618bc83c430d5cd718fd195cc804a90c4a677d980c1