[INFO] fetching crate git-bonsai 0.3.0...
[INFO] checking git-bonsai-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate git-bonsai 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate git-bonsai 0.3.0 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 git-bonsai 0.3.0
[INFO] finished tweaking crates.io crate git-bonsai 0.3.0
[INFO] tweaked toml for crates.io crate git-bonsai 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate git-bonsai 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded zeroize v1.5.5
[INFO] [stderr]   Downloaded dialoguer v0.10.1
[INFO] [stderr]   Downloaded remove_dir_all v0.5.2
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded ignore v0.4.11
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded claim v0.5.0
[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] 08cca248c5eed23f73e5184d8f4ee0d89e1db5106c5af01b0fd36bcb94743cad
[INFO] running `Command { std: "docker" "start" "-a" "08cca248c5eed23f73e5184d8f4ee0d89e1db5106c5af01b0fd36bcb94743cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08cca248c5eed23f73e5184d8f4ee0d89e1db5106c5af01b0fd36bcb94743cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08cca248c5eed23f73e5184d8f4ee0d89e1db5106c5af01b0fd36bcb94743cad", kill_on_drop: false }`
[INFO] [stdout] 08cca248c5eed23f73e5184d8f4ee0d89e1db5106c5af01b0fd36bcb94743cad
[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] 27cd755d3b246d5caf10695dc44c191a03d45991907cac8eecc35108b5248abb
[INFO] running `Command { std: "docker" "start" "-a" "27cd755d3b246d5caf10695dc44c191a03d45991907cac8eecc35108b5248abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling claim v0.5.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking git-bonsai v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/app.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "27cd755d3b246d5caf10695dc44c191a03d45991907cac8eecc35108b5248abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd755d3b246d5caf10695dc44c191a03d45991907cac8eecc35108b5248abb", kill_on_drop: false }`
[INFO] [stdout] 27cd755d3b246d5caf10695dc44c191a03d45991907cac8eecc35108b5248abb