[INFO] fetching crate databuf 0.5.0...
[INFO] checking databuf-0.5.0 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate databuf 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate databuf 0.5.0 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate databuf 0.5.0
[INFO] finished tweaking crates.io crate databuf 0.5.0
[INFO] tweaked toml for crates.io crate databuf 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote2-macros v0.7.0
[INFO] [stderr]   Downloaded databuf-derive v0.5.0
[INFO] [stderr]   Downloaded quote2 v0.7.0
[INFO] [stderr]   Downloaded databuf_derive_impl v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63bb1f827e39e80e5b477bd610ca287d5e4df13b6fdefa7021dfb3a03016aaf6
[INFO] running `Command { std: "docker" "start" "-a" "63bb1f827e39e80e5b477bd610ca287d5e4df13b6fdefa7021dfb3a03016aaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63bb1f827e39e80e5b477bd610ca287d5e4df13b6fdefa7021dfb3a03016aaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bb1f827e39e80e5b477bd610ca287d5e4df13b6fdefa7021dfb3a03016aaf6", kill_on_drop: false }`
[INFO] [stdout] 63bb1f827e39e80e5b477bd610ca287d5e4df13b6fdefa7021dfb3a03016aaf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bda3bc4397da4fc535cf8f37d3cf74eaa66e6f0030fcd1a21aace3f0a1247c2e
[INFO] running `Command { std: "docker" "start" "-a" "bda3bc4397da4fc535cf8f37d3cf74eaa66e6f0030fcd1a21aace3f0a1247c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling quote2-macros v0.7.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling quote2 v0.7.0
[INFO] [stderr]    Compiling databuf_derive_impl v0.2.3
[INFO] [stderr]    Compiling databuf-derive v0.5.0
[INFO] [stderr]     Checking databuf v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "bda3bc4397da4fc535cf8f37d3cf74eaa66e6f0030fcd1a21aace3f0a1247c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda3bc4397da4fc535cf8f37d3cf74eaa66e6f0030fcd1a21aace3f0a1247c2e", kill_on_drop: false }`
[INFO] [stdout] bda3bc4397da4fc535cf8f37d3cf74eaa66e6f0030fcd1a21aace3f0a1247c2e