[INFO] fetching crate vslab 2.0.0...
[INFO] checking vslab-2.0.0 against master#2b112efcccf831c0e0fbaa6470047c7067f12801 for pr-150727-1
[INFO] extracting crate vslab 2.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate vslab 2.0.0
[INFO] finished tweaking crates.io crate vslab 2.0.0
[INFO] tweaked toml for crates.io crate vslab 2.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vslab 2.0.0 on toolchain 2b112efcccf831c0e0fbaa6470047c7067f12801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "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" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.58
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.58
[INFO] [stderr]   Downloaded minicov v0.3.8
[INFO] [stderr]   Downloaded wasm-bindgen-test-shared v0.2.108
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65a1a8e02d8b3f35e45e83bab9c779e8da9586f3f84ef113a5215310d879de2
[INFO] running `Command { std: "docker" "start" "-a" "f65a1a8e02d8b3f35e45e83bab9c779e8da9586f3f84ef113a5215310d879de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65a1a8e02d8b3f35e45e83bab9c779e8da9586f3f84ef113a5215310d879de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65a1a8e02d8b3f35e45e83bab9c779e8da9586f3f84ef113a5215310d879de2", kill_on_drop: false }`
[INFO] [stdout] f65a1a8e02d8b3f35e45e83bab9c779e8da9586f3f84ef113a5215310d879de2
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2b112efcccf831c0e0fbaa6470047c7067f12801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2784cdb5023a60433659e1da1fba3800890183e5fb48ee3d2a9ae229eb103b8b
[INFO] running `Command { std: "docker" "start" "-a" "2784cdb5023a60433659e1da1fba3800890183e5fb48ee3d2a9ae229eb103b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.108
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zmij v1.0.15
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking wasm-bindgen-test-shared v0.2.108
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking vslab v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling wasm-bindgen v0.2.108
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.58
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.108
[INFO] [stderr]     Checking js-sys v0.3.85
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.58
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.58
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.21s
[INFO] running `Command { std: "docker" "inspect" "2784cdb5023a60433659e1da1fba3800890183e5fb48ee3d2a9ae229eb103b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2784cdb5023a60433659e1da1fba3800890183e5fb48ee3d2a9ae229eb103b8b", kill_on_drop: false }`
[INFO] [stdout] 2784cdb5023a60433659e1da1fba3800890183e5fb48ee3d2a9ae229eb103b8b