[INFO] fetching crate fennec-vfs 0.1.8...
[INFO] checking fennec-vfs-0.1.8 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate fennec-vfs 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fennec-vfs 0.1.8 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fennec-vfs 0.1.8
[INFO] finished tweaking crates.io crate fennec-vfs 0.1.8
[INFO] tweaked toml for crates.io crate fennec-vfs 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (latest: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding proptest-state-machine v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fennec-common v0.1.8
[INFO] [stderr]   Downloaded proptest-state-machine v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95173d3e3ca0f489cb9e0da33eb5cfaf5e6eca56ea6a00635843a74ac9a58d8a
[INFO] running `Command { std: "docker" "start" "-a" "95173d3e3ca0f489cb9e0da33eb5cfaf5e6eca56ea6a00635843a74ac9a58d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95173d3e3ca0f489cb9e0da33eb5cfaf5e6eca56ea6a00635843a74ac9a58d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95173d3e3ca0f489cb9e0da33eb5cfaf5e6eca56ea6a00635843a74ac9a58d8a", kill_on_drop: false }`
[INFO] [stdout] 95173d3e3ca0f489cb9e0da33eb5cfaf5e6eca56ea6a00635843a74ac9a58d8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb3186fe5ed490b58199e02b02b09daa2c9b9664e181e17f7fcde2eec50ebcc7
[INFO] running `Command { std: "docker" "start" "-a" "eb3186fe5ed490b58199e02b02b09daa2c9b9664e181e17f7fcde2eec50ebcc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking fennec-common v0.1.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking proptest-state-machine v0.1.0
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking fennec-vfs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.77s
[INFO] running `Command { std: "docker" "inspect" "eb3186fe5ed490b58199e02b02b09daa2c9b9664e181e17f7fcde2eec50ebcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3186fe5ed490b58199e02b02b09daa2c9b9664e181e17f7fcde2eec50ebcc7", kill_on_drop: false }`
[INFO] [stdout] eb3186fe5ed490b58199e02b02b09daa2c9b9664e181e17f7fcde2eec50ebcc7
[INFO] checking fennec-vfs-0.1.8 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate fennec-vfs 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fennec-vfs 0.1.8 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fennec-vfs 0.1.8
[INFO] finished tweaking crates.io crate fennec-vfs 0.1.8
[INFO] tweaked toml for crates.io crate fennec-vfs 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (latest: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding proptest-state-machine v0.1.0 (latest: v0.3.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4232c03986adee93b1d858a03818d14904aaf269009b30c999028fa9e94611d7
[INFO] running `Command { std: "docker" "start" "-a" "4232c03986adee93b1d858a03818d14904aaf269009b30c999028fa9e94611d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4232c03986adee93b1d858a03818d14904aaf269009b30c999028fa9e94611d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4232c03986adee93b1d858a03818d14904aaf269009b30c999028fa9e94611d7", kill_on_drop: false }`
[INFO] [stdout] 4232c03986adee93b1d858a03818d14904aaf269009b30c999028fa9e94611d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea2835c14b88140f2cf1e1431dc00511ab050c9d8438010f7b7baafbfecbc6f5
[INFO] running `Command { std: "docker" "start" "-a" "ea2835c14b88140f2cf1e1431dc00511ab050c9d8438010f7b7baafbfecbc6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking fennec-common v0.1.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking proptest-state-machine v0.1.0
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking fennec-vfs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] running `Command { std: "docker" "inspect" "ea2835c14b88140f2cf1e1431dc00511ab050c9d8438010f7b7baafbfecbc6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2835c14b88140f2cf1e1431dc00511ab050c9d8438010f7b7baafbfecbc6f5", kill_on_drop: false }`
[INFO] [stdout] ea2835c14b88140f2cf1e1431dc00511ab050c9d8438010f7b7baafbfecbc6f5