[INFO] fetching crate geiger 0.4.5...
[INFO] checking geiger-0.4.5 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate geiger 0.4.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate geiger 0.4.5 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geiger 0.4.5
[INFO] finished tweaking crates.io crate geiger 0.4.5
[INFO] tweaked toml for crates.io crate geiger 0.4.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b34e13df8053f2fffc106381cf087f33397e5bd0a928a197e1ed61ecb0eb03d
[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" "9b34e13df8053f2fffc106381cf087f33397e5bd0a928a197e1ed61ecb0eb03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b34e13df8053f2fffc106381cf087f33397e5bd0a928a197e1ed61ecb0eb03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b34e13df8053f2fffc106381cf087f33397e5bd0a928a197e1ed61ecb0eb03d", kill_on_drop: false }`
[INFO] [stdout] 9b34e13df8053f2fffc106381cf087f33397e5bd0a928a197e1ed61ecb0eb03d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4365974b33faa08b9dd9246005507d1d7fed12dc6c763d12d2d873701924f6d2
[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" "4365974b33faa08b9dd9246005507d1d7fed12dc6c763d12d2d873701924f6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking geiger v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:346:18
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 346 |     let syntax = syn::parse_file(&src)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 358 |         File::open(p).map_err(|e| ScanFileError::Io(e, p.to_path_buf()))?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 8   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 360 | /     file.read_to_end(&mut src)
[INFO] [stdout] 361 | |         .map_err(|e| ScanFileError::Io(e, p.to_path_buf()))?;
[INFO] [stdout]     | |____________________________________________________________^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:362:15
[INFO] [stdout]     |
[INFO] [stdout] 8   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 362 |       let src = String::from_utf8(src)
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 363 | |         .map_err(|e| ScanFileError::Utf8(e, p.to_path_buf()))?;
[INFO] [stdout]     | |______________________________________________________________^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `geiger`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:346:18
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 346 |     let syntax = syn::parse_file(&src)?;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:358:9
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![forbid(warnings)]
[INFO] [stdout]     |           -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 358 |         File::open(p).map_err(|e| ScanFileError::Io(e, p.to_path_buf()))?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 8   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 360 | /     file.read_to_end(&mut src)
[INFO] [stdout] 361 | |         .map_err(|e| ScanFileError::Io(e, p.to_path_buf()))?;
[INFO] [stdout]     | |____________________________________________________________^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0453]: allow(unreachable_code) incompatible with previous forbid
[INFO] [stdout]    --> src/lib.rs:362:15
[INFO] [stdout]     |
[INFO] [stdout] 8   |   #![forbid(warnings)]
[INFO] [stdout]     |             -------- `forbid` level set here
[INFO] [stdout] ...
[INFO] [stdout] 362 |       let src = String::from_utf8(src)
[INFO] [stdout]     |  _______________^
[INFO] [stdout] 363 | |         .map_err(|e| ScanFileError::Utf8(e, p.to_path_buf()))?;
[INFO] [stdout]     | |______________________________________________________________^ overruled by previous forbid
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0453`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4365974b33faa08b9dd9246005507d1d7fed12dc6c763d12d2d873701924f6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4365974b33faa08b9dd9246005507d1d7fed12dc6c763d12d2d873701924f6d2", kill_on_drop: false }`
[INFO] [stdout] 4365974b33faa08b9dd9246005507d1d7fed12dc6c763d12d2d873701924f6d2