[INFO] fetching crate peek-buffer 0.1.2...
[INFO] checking peek-buffer-0.1.2 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate peek-buffer 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate peek-buffer 0.1.2 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peek-buffer 0.1.2
[INFO] finished tweaking crates.io crate peek-buffer 0.1.2
[INFO] tweaked toml for crates.io crate peek-buffer 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce510d6f65f50fe6f8da105ea1b95a0cb11de1869917b09ebeb94f0f634488e
[INFO] running `Command { std: "docker" "start" "-a" "7ce510d6f65f50fe6f8da105ea1b95a0cb11de1869917b09ebeb94f0f634488e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce510d6f65f50fe6f8da105ea1b95a0cb11de1869917b09ebeb94f0f634488e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce510d6f65f50fe6f8da105ea1b95a0cb11de1869917b09ebeb94f0f634488e", kill_on_drop: false }`
[INFO] [stdout] 7ce510d6f65f50fe6f8da105ea1b95a0cb11de1869917b09ebeb94f0f634488e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3438cab8e589cd63f5925068a8a67d5f89407fc9780ff43b6d0428c76f4edf
[INFO] running `Command { std: "docker" "start" "-a" "4c3438cab8e589cd63f5925068a8a67d5f89407fc9780ff43b6d0428c76f4edf", kill_on_drop: false }`
[INFO] [stderr]     Checking peek-buffer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "4c3438cab8e589cd63f5925068a8a67d5f89407fc9780ff43b6d0428c76f4edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3438cab8e589cd63f5925068a8a67d5f89407fc9780ff43b6d0428c76f4edf", kill_on_drop: false }`
[INFO] [stdout] 4c3438cab8e589cd63f5925068a8a67d5f89407fc9780ff43b6d0428c76f4edf