[INFO] fetching crate weblab 0.3.5...
[INFO] checking weblab-0.3.5 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate weblab 0.3.5 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate weblab 0.3.5 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding clap v3.2.25 (available: v4.5.47)
[INFO] [stderr]       Adding path-slash v0.1.5 (available: v0.2.1)
[INFO] [stderr]       Adding sanitize-filename v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding zip v0.5.13 (available: v4.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 path-slash v0.1.5
[INFO] [stderr]   Downloaded weblab-assignment-structure v0.3.4
[INFO] [stderr]   Downloaded sanitize-filename v0.3.0
[INFO] [stderr]   Downloaded weblab-macros v0.3.5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df6afb2e30516a9a1318b973cd4a77a0d4cfec2dc850d0d6999fcb4c4d0b39d4
[INFO] running `Command { std: "docker" "start" "-a" "df6afb2e30516a9a1318b973cd4a77a0d4cfec2dc850d0d6999fcb4c4d0b39d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df6afb2e30516a9a1318b973cd4a77a0d4cfec2dc850d0d6999fcb4c4d0b39d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6afb2e30516a9a1318b973cd4a77a0d4cfec2dc850d0d6999fcb4c4d0b39d4", kill_on_drop: false }`
[INFO] [stdout] df6afb2e30516a9a1318b973cd4a77a0d4cfec2dc850d0d6999fcb4c4d0b39d4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b797b245deee54f33454369fe1f049748fd8cdecad5eaa86990a57b2e51da9
[INFO] running `Command { std: "docker" "start" "-a" "75b797b245deee54f33454369fe1f049748fd8cdecad5eaa86990a57b2e51da9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking weblab-assignment-structure v0.3.4
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking sanitize-filename v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling serde_json v1.0.143
[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 27.07s
[INFO] running `Command { std: "docker" "inspect" "75b797b245deee54f33454369fe1f049748fd8cdecad5eaa86990a57b2e51da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b797b245deee54f33454369fe1f049748fd8cdecad5eaa86990a57b2e51da9", kill_on_drop: false }`
[INFO] [stdout] 75b797b245deee54f33454369fe1f049748fd8cdecad5eaa86990a57b2e51da9