[INFO] fetching crate tracing-slog 0.4.0...
[INFO] checking tracing-slog-0.4.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate tracing-slog 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tracing-slog 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-slog 0.4.0
[INFO] tweaked toml for crates.io crate tracing-slog 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-slog 0.4.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-slog 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.5
[INFO] [stderr]   Downloaded tracing-test v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3517bb8c88f7c0319e2956542f9f9924adf82d7eceeaa5d409f20317985dcfcc
[INFO] running `Command { std: "docker" "start" "-a" "3517bb8c88f7c0319e2956542f9f9924adf82d7eceeaa5d409f20317985dcfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3517bb8c88f7c0319e2956542f9f9924adf82d7eceeaa5d409f20317985dcfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3517bb8c88f7c0319e2956542f9f9924adf82d7eceeaa5d409f20317985dcfcc", kill_on_drop: false }`
[INFO] [stdout] 3517bb8c88f7c0319e2956542f9f9924adf82d7eceeaa5d409f20317985dcfcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6867fa8c0b82940c49b79c62a26f9093585dd2fd9fe14b9f0c84b04f44206ebc
[INFO] running `Command { std: "docker" "start" "-a" "6867fa8c0b82940c49b79c62a26f9093585dd2fd9fe14b9f0c84b04f44206ebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]     Checking tracing-slog v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tracing v0.1.43
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "6867fa8c0b82940c49b79c62a26f9093585dd2fd9fe14b9f0c84b04f44206ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6867fa8c0b82940c49b79c62a26f9093585dd2fd9fe14b9f0c84b04f44206ebc", kill_on_drop: false }`
[INFO] [stdout] 6867fa8c0b82940c49b79c62a26f9093585dd2fd9fe14b9f0c84b04f44206ebc