[INFO] fetching crate rsn 0.2.0...
[INFO] checking rsn-0.2.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate rsn 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rsn 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rsn 0.2.0
[INFO] tweaked toml for crates.io crate rsn 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsn 0.2.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rsn 0.2.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.81
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba1cec77ddcc8550d412f229c26ab41ba191659e2e63ebbe61aebd2927545faf
[INFO] running `Command { std: "docker" "start" "-a" "ba1cec77ddcc8550d412f229c26ab41ba191659e2e63ebbe61aebd2927545faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba1cec77ddcc8550d412f229c26ab41ba191659e2e63ebbe61aebd2927545faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1cec77ddcc8550d412f229c26ab41ba191659e2e63ebbe61aebd2927545faf", kill_on_drop: false }`
[INFO] [stdout] ba1cec77ddcc8550d412f229c26ab41ba191659e2e63ebbe61aebd2927545faf
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77700c5ee01c306328fc679f6dc38d48d6ee48ff4c8e2872c9f9ceb07784098b
[INFO] running `Command { std: "docker" "start" "-a" "77700c5ee01c306328fc679f6dc38d48d6ee48ff4c8e2872c9f9ceb07784098b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking rsn v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a macro
[INFO] [stdout]  --> src/tests.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | macro_rules! dbg {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![warn(missing_docs)]
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a macro
[INFO] [stdout]   --> src/tests.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | macro_rules! println {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "77700c5ee01c306328fc679f6dc38d48d6ee48ff4c8e2872c9f9ceb07784098b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77700c5ee01c306328fc679f6dc38d48d6ee48ff4c8e2872c9f9ceb07784098b", kill_on_drop: false }`
[INFO] [stdout] 77700c5ee01c306328fc679f6dc38d48d6ee48ff4c8e2872c9f9ceb07784098b