[INFO] fetching crate plain 0.2.3...
[INFO] checking plain-0.2.3 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate plain 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate plain 0.2.3 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plain 0.2.3
[INFO] finished tweaking crates.io crate plain 0.2.3
[INFO] tweaked toml for crates.io crate plain 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82cff56342e332fe20177fb5016b59b4b149c3e325909184102e853270d6d361
[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" "82cff56342e332fe20177fb5016b59b4b149c3e325909184102e853270d6d361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82cff56342e332fe20177fb5016b59b4b149c3e325909184102e853270d6d361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cff56342e332fe20177fb5016b59b4b149c3e325909184102e853270d6d361", kill_on_drop: false }`
[INFO] [stdout] 82cff56342e332fe20177fb5016b59b4b149c3e325909184102e853270d6d361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] 69a33a44cf924c60b6983b675a4c6685be42fc371f6ebde83b77dcc02288c092
[INFO] running `Command { std: "docker" "start" "-a" "69a33a44cf924c60b6983b675a4c6685be42fc371f6ebde83b77dcc02288c092", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking plain v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/methods.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/methods.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     try!(check_length::<T>(bytes, 1));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     try!(check_length::<T>(bytes, len));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(check_length::<T>(bytes, 1));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     try!(check_length::<T>(bytes, len));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/methods.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/methods.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     try!(check_length::<T>(bytes, 1));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     try!(check_length::<T>(bytes, len));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     try!(check_length::<T>(bytes, 1));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     try!(check_alignment::<T>(bytes));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/methods.rs:170:5
[INFO] [stdout]     |
[INFO] [stdout] 170 |     try!(check_length::<T>(bytes, len));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "69a33a44cf924c60b6983b675a4c6685be42fc371f6ebde83b77dcc02288c092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a33a44cf924c60b6983b675a4c6685be42fc371f6ebde83b77dcc02288c092", kill_on_drop: false }`
[INFO] [stdout] 69a33a44cf924c60b6983b675a4c6685be42fc371f6ebde83b77dcc02288c092