[INFO] fetching crate assert_fs 1.0.13...
[INFO] checking assert_fs-1.0.13 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate assert_fs 1.0.13 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate assert_fs 1.0.13 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 assert_fs 1.0.13
[INFO] finished tweaking crates.io crate assert_fs 1.0.13
[INFO] tweaked toml for crates.io crate assert_fs 1.0.13 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate assert_fs 1.0.13 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 termtree v0.4.1
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.8
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded anstyle-wincon v1.0.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.6
[INFO] [stderr]   Downloaded rustix v0.36.9
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded linux-raw-sys v0.1.4
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded anstream v0.3.0
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded windows-sys v0.45.0
[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] a2814344f010f90f1b78861128261b73ae4a6ac2abdd8d15eaa3f1467a4536d9
[INFO] running `Command { std: "docker" "start" "-a" "a2814344f010f90f1b78861128261b73ae4a6ac2abdd8d15eaa3f1467a4536d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2814344f010f90f1b78861128261b73ae4a6ac2abdd8d15eaa3f1467a4536d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2814344f010f90f1b78861128261b73ae4a6ac2abdd8d15eaa3f1467a4536d9", kill_on_drop: false }`
[INFO] [stdout] a2814344f010f90f1b78861128261b73ae4a6ac2abdd8d15eaa3f1467a4536d9
[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] 8b670e655c1dd517a7fe561c77d9017f5572a3cb2c5ae622f0f95ea63723624d
[INFO] running `Command { std: "docker" "start" "-a" "8b670e655c1dd517a7fe561c77d9017f5572a3cb2c5ae622f0f95ea63723624d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking predicates-tree v1.0.8
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `chain_with` is never used
[INFO] [stdout]   --> src/fixture/errors.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait ResultChainExt<T> {
[INFO] [stdout]    |                  -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn chain_with<F, C>(self, chainable: F) -> Result<T, C>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `chain_with` is never used
[INFO] [stdout]   --> src/fixture/errors.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait ResultChainExt<T> {
[INFO] [stdout]    |                  -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn chain_with<F, C>(self, chainable: F) -> Result<T, C>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 5.25s
[INFO] running `Command { std: "docker" "inspect" "8b670e655c1dd517a7fe561c77d9017f5572a3cb2c5ae622f0f95ea63723624d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b670e655c1dd517a7fe561c77d9017f5572a3cb2c5ae622f0f95ea63723624d", kill_on_drop: false }`
[INFO] [stdout] 8b670e655c1dd517a7fe561c77d9017f5572a3cb2c5ae622f0f95ea63723624d
[INFO] checking assert_fs-1.0.13 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate assert_fs 1.0.13 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate assert_fs 1.0.13 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 assert_fs 1.0.13
[INFO] finished tweaking crates.io crate assert_fs 1.0.13
[INFO] tweaked toml for crates.io crate assert_fs 1.0.13 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate assert_fs 1.0.13 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ba0193cf81869d50b73dc69deee4467ffe7341af98dd6ff4224edd2aabd1003
[INFO] running `Command { std: "docker" "start" "-a" "7ba0193cf81869d50b73dc69deee4467ffe7341af98dd6ff4224edd2aabd1003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba0193cf81869d50b73dc69deee4467ffe7341af98dd6ff4224edd2aabd1003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba0193cf81869d50b73dc69deee4467ffe7341af98dd6ff4224edd2aabd1003", kill_on_drop: false }`
[INFO] [stdout] 7ba0193cf81869d50b73dc69deee4467ffe7341af98dd6ff4224edd2aabd1003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 505458933eed737c67d5f4c06b94a8b0201c105f7ecb54ab223c5bf8c78059a6
[INFO] running `Command { std: "docker" "start" "-a" "505458933eed737c67d5f4c06b94a8b0201c105f7ecb54ab223c5bf8c78059a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.8
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking globset v0.4.9
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `chain_with` is never used
[INFO] [stdout]   --> src/fixture/errors.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait ResultChainExt<T> {
[INFO] [stdout]    |                  -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn chain_with<F, C>(self, chainable: F) -> Result<T, C>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `chain_with` is never used
[INFO] [stdout]   --> src/fixture/errors.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) trait ResultChainExt<T> {
[INFO] [stdout]    |                  -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn chain_with<F, C>(self, chainable: F) -> Result<T, C>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "505458933eed737c67d5f4c06b94a8b0201c105f7ecb54ab223c5bf8c78059a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505458933eed737c67d5f4c06b94a8b0201c105f7ecb54ab223c5bf8c78059a6", kill_on_drop: false }`
[INFO] [stdout] 505458933eed737c67d5f4c06b94a8b0201c105f7ecb54ab223c5bf8c78059a6