[INFO] fetching crate vtable 0.2.0...
[INFO] checking vtable-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate vtable 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate vtable 0.2.0 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 vtable 0.2.0
[INFO] finished tweaking crates.io crate vtable 0.2.0
[INFO] tweaked toml for crates.io crate vtable 0.2.0 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]     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 15 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-field-offset v0.1.5
[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.5
[INFO] [stderr]   Downloaded vtable-macro v0.2.0
[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] 7d6d72b0d184e1293d6d7aa53c4f037223fb200e9e652d6a220c048430db181f
[INFO] running `Command { std: "docker" "start" "-a" "7d6d72b0d184e1293d6d7aa53c4f037223fb200e9e652d6a220c048430db181f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d6d72b0d184e1293d6d7aa53c4f037223fb200e9e652d6a220c048430db181f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6d72b0d184e1293d6d7aa53c4f037223fb200e9e652d6a220c048430db181f", kill_on_drop: false }`
[INFO] [stdout] 7d6d72b0d184e1293d6d7aa53c4f037223fb200e9e652d6a220c048430db181f
[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] 951507d0fa779924e2bfecfea28b687767b037010fbe751a6664ac4bd4d71963
[INFO] running `Command { std: "docker" "start" "-a" "951507d0fa779924e2bfecfea28b687767b037010fbe751a6664ac4bd4d71963", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling const-field-offset-macro v0.1.5
[INFO] [stderr]    Compiling vtable-macro v0.2.0
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking const-field-offset v0.1.5
[INFO] [stderr]     Checking vtable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "951507d0fa779924e2bfecfea28b687767b037010fbe751a6664ac4bd4d71963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951507d0fa779924e2bfecfea28b687767b037010fbe751a6664ac4bd4d71963", kill_on_drop: false }`
[INFO] [stdout] 951507d0fa779924e2bfecfea28b687767b037010fbe751a6664ac4bd4d71963