[INFO] fetching crate mso5k_dumpfb 0.1.0...
[INFO] testing mso5k_dumpfb-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mso5k_dumpfb 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mso5k_dumpfb 0.1.0
[INFO] finished tweaking crates.io crate mso5k_dumpfb 0.1.0
[INFO] tweaked toml for crates.io crate mso5k_dumpfb 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mso5k_dumpfb 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mso5k_dumpfb 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669c6fbc9f0651a3590362954c5ae357798e268c3581c1562412afb12b08aecd
[INFO] running `Command { std: "docker" "start" "-a" "669c6fbc9f0651a3590362954c5ae357798e268c3581c1562412afb12b08aecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669c6fbc9f0651a3590362954c5ae357798e268c3581c1562412afb12b08aecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669c6fbc9f0651a3590362954c5ae357798e268c3581c1562412afb12b08aecd", kill_on_drop: false }`
[INFO] [stdout] 669c6fbc9f0651a3590362954c5ae357798e268c3581c1562412afb12b08aecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209f635e4ad1cdb9c32e336f8d8c82665f78a5964802bbe61acb6c66d75d1601
[INFO] running `Command { std: "docker" "start" "-a" "209f635e4ad1cdb9c32e336f8d8c82665f78a5964802bbe61acb6c66d75d1601", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/profiles.html#strip-option for more information about using this feature.
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling mso5k_dumpfb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(with_options)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `with_options` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(with_options)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `with_options` found for struct `File` in the current scope
[INFO] [stdout]   --> src/main.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |         path => Box::new(File::with_options().write(true).create(true).open(path)?),
[INFO] [stdout]    |                                ^^^^^^^^^^^^ function or associated item not found in `File`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `File` consider using one of the following associated functions:
[INFO] [stdout]       File::open
[INFO] [stdout]       File::create
[INFO] [stdout]       File::create_new
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/fs.rs:452:5
[INFO] [stdout] help: there is an associated function `options` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 81 -         path => Box::new(File::with_options().write(true).create(true).open(path)?),
[INFO] [stdout] 81 +         path => Box::new(File::options().write(true).create(true).open(path)?),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mso5k_dumpfb` (bin "mso5k_dumpfb") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "209f635e4ad1cdb9c32e336f8d8c82665f78a5964802bbe61acb6c66d75d1601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209f635e4ad1cdb9c32e336f8d8c82665f78a5964802bbe61acb6c66d75d1601", kill_on_drop: false }`
[INFO] [stdout] 209f635e4ad1cdb9c32e336f8d8c82665f78a5964802bbe61acb6c66d75d1601