[INFO] fetching crate hexviewer 0.1.0...
[INFO] testing hexviewer-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate hexviewer 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hexviewer 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexviewer 0.1.0
[INFO] finished tweaking crates.io crate hexviewer 0.1.0
[INFO] tweaked toml for crates.io crate hexviewer 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hexviewer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded beef v0.5.0
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded defer-drop v1.0.1
[INFO] [stderr]   Downloaded standback v0.2.16
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded rustyline v8.0.0
[INFO] [stderr]   Downloaded tuikit v0.4.5
[INFO] [stderr]   Downloaded vte v0.9.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded skim v0.9.4
[INFO] [stderr]   Downloaded rustyline-derive v0.4.0
[INFO] [stderr]   Downloaded evalexpr v5.0.5
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", 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] 6bb47fac2e8bb350aa67f34940f53ba35d671878057d91f7c81addc247cf16a9
[INFO] running `Command { std: "docker" "start" "-a" "6bb47fac2e8bb350aa67f34940f53ba35d671878057d91f7c81addc247cf16a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb47fac2e8bb350aa67f34940f53ba35d671878057d91f7c81addc247cf16a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb47fac2e8bb350aa67f34940f53ba35d671878057d91f7c81addc247cf16a9", kill_on_drop: false }`
[INFO] [stdout] 6bb47fac2e8bb350aa67f34940f53ba35d671878057d91f7c81addc247cf16a9
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0e3d9ed604900228b3b8ac57d5b2e7628c875e083543bf3aa568bf4c671957
[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" "af0e3d9ed604900228b3b8ac57d5b2e7628c875e083543bf3aa568bf4c671957", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling beef v0.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling evalexpr v5.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling standback v0.2.16
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stdout] error[E0432]: unresolved import `core::task::Wake`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/standback-0.2.16/src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::Wake;
[INFO] [stdout]     |             ^^^^^^^^^^^^----
[INFO] [stdout]     |             |           |
[INFO] [stdout]     |             |           help: a similar name exists in the module (notice the capitalization): `wake`
[INFO] [stdout]     |             no `Wake` in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `standback` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "af0e3d9ed604900228b3b8ac57d5b2e7628c875e083543bf3aa568bf4c671957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0e3d9ed604900228b3b8ac57d5b2e7628c875e083543bf3aa568bf4c671957", kill_on_drop: false }`
[INFO] [stdout] af0e3d9ed604900228b3b8ac57d5b2e7628c875e083543bf3aa568bf4c671957