[INFO] fetching crate msgp 0.1.1...
[INFO] checking msgp-0.1.1 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate msgp 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate msgp 0.1.1 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgp 0.1.1
[INFO] finished tweaking crates.io crate msgp 0.1.1
[INFO] tweaked toml for crates.io crate msgp 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa0cea9d9cfdc012bac74a684dc9f8188fc846661379ad07b63e376a79ed6b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8aa0cea9d9cfdc012bac74a684dc9f8188fc846661379ad07b63e376a79ed6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa0cea9d9cfdc012bac74a684dc9f8188fc846661379ad07b63e376a79ed6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa0cea9d9cfdc012bac74a684dc9f8188fc846661379ad07b63e376a79ed6b7", kill_on_drop: false }`
[INFO] [stdout] 8aa0cea9d9cfdc012bac74a684dc9f8188fc846661379ad07b63e376a79ed6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b4575bd6015d72c9ccd3f074b85819b240e7114f2f48e696466ea96f5edd25b
[INFO] running `Command { std: "docker" "start" "-a" "1b4575bd6015d72c9ccd3f074b85819b240e7114f2f48e696466ea96f5edd25b", kill_on_drop: false }`
[INFO] [stderr]     Checking msgp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:268:26
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let res = decode((&vec![]));
[INFO] [stdout]     |                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:274:26
[INFO] [stdout]     |
[INFO] [stdout] 274 |         let res = decode((&vec![0x81u8, 0x80u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:280:26
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:286:26
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let res = decode((&vec![0x3u8, 0x01u8, 0x02u8, 0x03u8]));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1b4575bd6015d72c9ccd3f074b85819b240e7114f2f48e696466ea96f5edd25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4575bd6015d72c9ccd3f074b85819b240e7114f2f48e696466ea96f5edd25b", kill_on_drop: false }`
[INFO] [stdout] 1b4575bd6015d72c9ccd3f074b85819b240e7114f2f48e696466ea96f5edd25b