[INFO] fetching crate libimagannotation 0.3.0...
[INFO] testing libimagannotation-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libimagannotation 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libimagannotation 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libimagannotation 0.3.0
[INFO] finished tweaking crates.io crate libimagannotation 0.3.0
[INFO] tweaked toml for crates.io crate libimagannotation 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2c29393fcc05b12c69806a0bce452497aa865cb6f5021f20a40ba0fc33be84f
[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" "c2c29393fcc05b12c69806a0bce452497aa865cb6f5021f20a40ba0fc33be84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c29393fcc05b12c69806a0bce452497aa865cb6f5021f20a40ba0fc33be84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c29393fcc05b12c69806a0bce452497aa865cb6f5021f20a40ba0fc33be84f", kill_on_drop: false }`
[INFO] [stdout] c2c29393fcc05b12c69806a0bce452497aa865cb6f5021f20a40ba0fc33be84f
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 5ada01640326dd87ff6598617456d5d11b57c68ef5937c012652f6c278c0648e
[INFO] running `Command { std: "docker" "start" "-a" "5ada01640326dd87ff6598617456d5d11b57c68ef5937c012652f6c278c0648e", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling version v2.0.1
[INFO] [stderr]    Compiling filters v0.1.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling libimagerror v0.3.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.6.2
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling semver v0.5.1
[INFO] [stderr]    Compiling libimagutil v0.3.0
[INFO] [stderr]    Compiling libimagstore v0.3.0
[INFO] [stderr]    Compiling libimagrt v0.3.0
[INFO] [stderr]    Compiling libimagentrytag v0.3.0
[INFO] [stderr]    Compiling libimagentrylink v0.3.0
[INFO] [stdout] error[E0518]: attribute should be applied to function or closure
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libimagentrylink-0.3.0/src/internal.rs:769:13
[INFO] [stdout]     |
[INFO] [stdout] 769 |               #[inline]
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 770 | /             let mk_one_directional_link_err = |src: StoreId, target: StoreId| -> SLCE {
[INFO] [stdout] 771 | |                 // construct the error
[INFO] [stdout] 772 | |                 let custom = SLCECD::OneDirectionalLink {
[INFO] [stdout] 773 | |                     source: src,
[INFO] [stdout] ...   |
[INFO] [stdout] 779 | |                     .with_custom_data(custom)
[INFO] [stdout] 780 | |             };
[INFO] [stdout]     | |______________- not a function or closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libimagrt-0.3.0/src/configuration.rs:256:10
[INFO] [stdout]     |
[INFO] [stdout] 256 |         .flatten()
[INFO] [stdout]     |          ^^^^^^^ multiple `flatten` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 246 |     Iterator::flatten(vec![
[INFO] [stdout] 247 |         vec![rtp.clone()],
[INFO] [stdout] 248 |         gen_vars(rtp.clone(), variants.clone(), &modifier),
[INFO] [stdout] 249 | 
[INFO] [stdout] 250 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stdout] 251 |                         .unwrap_or(vec![]),
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 246 |     Itertools::flatten(vec![
[INFO] [stdout] 247 |         vec![rtp.clone()],
[INFO] [stdout] 248 |         gen_vars(rtp.clone(), variants.clone(), &modifier),
[INFO] [stdout] 249 | 
[INFO] [stdout] 250 |         env::var("HOME").map(|home| gen_vars(PathBuf::from(home), variants.clone(), &modifier))
[INFO] [stdout] 251 |                         .unwrap_or(vec![]),
[INFO] [stdout]   ...
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libimagrt`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0518`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ada01640326dd87ff6598617456d5d11b57c68ef5937c012652f6c278c0648e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ada01640326dd87ff6598617456d5d11b57c68ef5937c012652f6c278c0648e", kill_on_drop: false }`
[INFO] [stdout] 5ada01640326dd87ff6598617456d5d11b57c68ef5937c012652f6c278c0648e