[INFO] cloning repository https://github.com/EmbarkStudios/cargo-fetcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EmbarkStudios/cargo-fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbarkStudios%2Fcargo-fetcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbarkStudios%2Fcargo-fetcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 376891b66389209107fff95831dc268ab0a1190b
[INFO] checking EmbarkStudios/cargo-fetcher against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbarkStudios%2Fcargo-fetcher" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EmbarkStudios/cargo-fetcher on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EmbarkStudios/cargo-fetcher
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/EmbarkStudios/cargo-fetcher
[INFO] tweaked toml for git repo https://github.com/EmbarkStudios/cargo-fetcher written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/EmbarkStudios/cargo-fetcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concurrent-queue v1.1.2
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded event-listener v2.2.1
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded azure_sdk_core v0.43.6
[INFO] [stderr]   Downloaded azure_sdk_storage_core v0.44.3
[INFO] [stderr]   Downloaded tame-oauth v0.4.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.9
[INFO] [stderr]   Downloaded RustyXML v0.3.0
[INFO] [stderr]   Downloaded app_dirs2 v2.2.1
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[INFO] [stderr]   Downloaded tame-gcs v0.7.2
[INFO] [stderr]   Downloaded azure_sdk_storage_blob v0.45.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 633ddb9fd121013eca4227abdd6aae091f97233a4c31651cd72231969d160381
[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" "633ddb9fd121013eca4227abdd6aae091f97233a4c31651cd72231969d160381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "633ddb9fd121013eca4227abdd6aae091f97233a4c31651cd72231969d160381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633ddb9fd121013eca4227abdd6aae091f97233a4c31651cd72231969d160381", kill_on_drop: false }`
[INFO] [stdout] 633ddb9fd121013eca4227abdd6aae091f97233a4c31651cd72231969d160381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68edd531ebd9b85500f20a89916daf9443433a0b18b7b5c8471002a5a96d600c
[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" "68edd531ebd9b85500f20a89916daf9443433a0b18b7b5c8471002a5a96d600c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.65
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[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
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[INFO] [stderr]     Checking tracing-subscriber v0.2.9
[INFO] [stderr]     Checking js-sys v0.3.42
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking web-sys v0.3.42
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking async-tar v0.2.0
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking cargo-fetcher v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/util.rs:473:33
[INFO] [stdout]     |
[INFO] [stdout] 473 |     let CloudLocationUrl { url, path } = cloud_url;
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/util.rs:473:33
[INFO] [stdout]     |
[INFO] [stdout] 473 |     let CloudLocationUrl { url, path } = cloud_url;
[INFO] [stdout]     |                                 ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `fs` in `backends`
[INFO] [stdout]  --> tests/tutil.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |         cf::backends::fs::FSBackend::new(cf::FilesystemLocation { path: &root })
[INFO] [stdout]   |                       ^^ could not find `fs` in `backends`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn Backend + Send + Sync` cannot be known at compilation time
[INFO] [stdout]  --> tests/tutil.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let backend = Arc::new(
[INFO] [stdout]   |                   ^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Sized` is not implemented for `dyn Backend + Send + Sync`
[INFO] [stdout]   = note: required by `Arc::<T>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-fetcher`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "68edd531ebd9b85500f20a89916daf9443433a0b18b7b5c8471002a5a96d600c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68edd531ebd9b85500f20a89916daf9443433a0b18b7b5c8471002a5a96d600c", kill_on_drop: false }`
[INFO] [stdout] 68edd531ebd9b85500f20a89916daf9443433a0b18b7b5c8471002a5a96d600c