[INFO] fetching crate weblab 0.3.5...
[INFO] checking weblab-0.3.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate weblab 0.3.5 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 weblab 0.3.5
[INFO] finished tweaking crates.io crate weblab 0.3.5
[INFO] tweaked toml for crates.io crate weblab 0.3.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 86 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_derive v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding path-slash v0.1.5 (latest: v0.2.1)
[INFO] [stderr]       Adding sanitize-filename v0.3.0 (latest: v0.5.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v0.6.6)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded weblab-assignment-structure v0.3.4
[INFO] [stderr]   Downloaded weblab-macros v0.3.5
[INFO] [stderr]   Downloaded sanitize-filename v0.3.0
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbc202068c83bb1d0b227d19990c28c9eb253579dd2133a629acf9a132e72b01
[INFO] running `Command { std: "docker" "start" "-a" "cbc202068c83bb1d0b227d19990c28c9eb253579dd2133a629acf9a132e72b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc202068c83bb1d0b227d19990c28c9eb253579dd2133a629acf9a132e72b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc202068c83bb1d0b227d19990c28c9eb253579dd2133a629acf9a132e72b01", kill_on_drop: false }`
[INFO] [stdout] cbc202068c83bb1d0b227d19990c28c9eb253579dd2133a629acf9a132e72b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f2e88d2bb39a2043039a54100033039f6fe349ed2f6b581ad996eac845328873
[INFO] running `Command { std: "docker" "start" "-a" "f2e88d2bb39a2043039a54100033039f6fe349ed2f6b581ad996eac845328873", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking weblab-assignment-structure v0.3.4
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling weblab-macros v0.3.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking weblab v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.77s
[INFO] running `Command { std: "docker" "inspect" "f2e88d2bb39a2043039a54100033039f6fe349ed2f6b581ad996eac845328873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e88d2bb39a2043039a54100033039f6fe349ed2f6b581ad996eac845328873", kill_on_drop: false }`
[INFO] [stdout] f2e88d2bb39a2043039a54100033039f6fe349ed2f6b581ad996eac845328873
[INFO] checking weblab-0.3.5 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate weblab 0.3.5 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 weblab 0.3.5
[INFO] finished tweaking crates.io crate weblab 0.3.5
[INFO] tweaked toml for crates.io crate weblab 0.3.5 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b6ddb94fbf71323dd90b3819e05ca59f066c4265123691b33e59f4489db24c9b
[INFO] running `Command { std: "docker" "start" "-a" "b6ddb94fbf71323dd90b3819e05ca59f066c4265123691b33e59f4489db24c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ddb94fbf71323dd90b3819e05ca59f066c4265123691b33e59f4489db24c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ddb94fbf71323dd90b3819e05ca59f066c4265123691b33e59f4489db24c9b", kill_on_drop: false }`
[INFO] [stdout] b6ddb94fbf71323dd90b3819e05ca59f066c4265123691b33e59f4489db24c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 08e57b7eb770cc019f4307fd8558689d6ad95a67d79f16048651635f0a52e38c
[INFO] running `Command { std: "docker" "start" "-a" "08e57b7eb770cc019f4307fd8558689d6ad95a67d79f16048651635f0a52e38c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking weblab-assignment-structure v0.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling weblab-macros v0.3.5
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking weblab v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.97s
[INFO] running `Command { std: "docker" "inspect" "08e57b7eb770cc019f4307fd8558689d6ad95a67d79f16048651635f0a52e38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e57b7eb770cc019f4307fd8558689d6ad95a67d79f16048651635f0a52e38c", kill_on_drop: false }`
[INFO] [stdout] 08e57b7eb770cc019f4307fd8558689d6ad95a67d79f16048651635f0a52e38c