[INFO] fetching crate bitbuffer 0.10.7...
[INFO] checking bitbuffer-0.10.7 against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] extracting crate bitbuffer 0.10.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bitbuffer 0.10.7 on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitbuffer 0.10.7
[INFO] finished tweaking crates.io crate bitbuffer 0.10.7
[INFO] tweaked toml for crates.io crate bitbuffer 0.10.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded schemars_derive v0.8.10
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.26.0
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded bitbuffer_derive v0.10.0
[INFO] [stderr]   Downloaded syn_util v0.4.2
[INFO] [stderr]   Downloaded schemars v0.8.10
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff91f4493817940ccdfdd4948adbd238c8bab7d2dfae1f61abe67cb7d3de1ff
[INFO] running `Command { std: "docker" "start" "-a" "aff91f4493817940ccdfdd4948adbd238c8bab7d2dfae1f61abe67cb7d3de1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff91f4493817940ccdfdd4948adbd238c8bab7d2dfae1f61abe67cb7d3de1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff91f4493817940ccdfdd4948adbd238c8bab7d2dfae1f61abe67cb7d3de1ff", kill_on_drop: false }`
[INFO] [stdout] aff91f4493817940ccdfdd4948adbd238c8bab7d2dfae1f61abe67cb7d3de1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd993741b8c8fd7689566d4a40cd9f6eac89fe6db03c8ff11b95f1462ad6e8f5
[INFO] running `Command { std: "docker" "start" "-a" "bd993741b8c8fd7689566d4a40cd9f6eac89fe6db03c8ff11b95f1462ad6e8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]    Compiling bitbuffer_derive v0.10.0
[INFO] [stderr]     Checking bitbuffer v0.10.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "bd993741b8c8fd7689566d4a40cd9f6eac89fe6db03c8ff11b95f1462ad6e8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd993741b8c8fd7689566d4a40cd9f6eac89fe6db03c8ff11b95f1462ad6e8f5", kill_on_drop: false }`
[INFO] [stdout] bd993741b8c8fd7689566d4a40cd9f6eac89fe6db03c8ff11b95f1462ad6e8f5