[INFO] cloning repository https://github.com/doc22940/flat.manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doc22940/flat.manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5252cb3f691d82d74b3ef5eb0276e216f215e461
[INFO] checking doc22940/flat.manager against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoc22940%2Fflat.manager" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doc22940/flat.manager on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doc22940/flat.manager
[INFO] finished tweaking git repo https://github.com/doc22940/flat.manager
[INFO] tweaked toml for git repo https://github.com/doc22940/flat.manager written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/doc22940/flat.manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d26bd6bb3d7278fb6a339bc9d47d8dc060bc547011773e6fac2f42fd4fb128f7
[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" "d26bd6bb3d7278fb6a339bc9d47d8dc060bc547011773e6fac2f42fd4fb128f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d26bd6bb3d7278fb6a339bc9d47d8dc060bc547011773e6fac2f42fd4fb128f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26bd6bb3d7278fb6a339bc9d47d8dc060bc547011773e6fac2f42fd4fb128f7", kill_on_drop: false }`
[INFO] [stdout] d26bd6bb3d7278fb6a339bc9d47d8dc060bc547011773e6fac2f42fd4fb128f7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--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] 19fb92158f5186c038650522b9c4bd707ef96e43ef12e7b99b031f5dcf122ab7
[INFO] running `Command { std: "docker" "start" "-a" "19fb92158f5186c038650522b9c4bd707ef96e43ef12e7b99b031f5dcf122ab7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
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[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
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[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling unicase v2.5.1
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[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-executor v0.1.8
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[INFO] [stderr]     Checking getrandom v0.1.13
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]     Checking signal-hook-registry v1.1.1
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[INFO] [stderr]    Compiling smallvec v0.6.13
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[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking rand_chacha v0.2.1
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[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking mpart-async v0.2.1
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]    Compiling askama_shared v0.7.2
[INFO] [stderr]     Checking jsonwebtoken v5.0.1
[INFO] [stderr]    Compiling diesel v1.4.3
[INFO] [stderr]    Compiling askama_derive v0.7.2
[INFO] [stderr]     Checking askama v0.7.2
[INFO] [stderr]     Checking migrations_internals v1.4.0
[INFO] [stderr]    Compiling migrations_macros v1.4.1
[INFO] [stderr]     Checking diesel_migrations v1.4.0
[INFO] [stderr]     Checking flat-manager v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/bin/delta-generator-client.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     client: Option<Addr<DeltaClient>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/delta-generator-client.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   &guard;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/delta-generator-client.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 | ...                   &guard;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]   --> src/bin/delta-generator-client.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     client: Option<Addr<DeltaClient>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/delta-generator-client.rs:309:29
[INFO] [stdout]     |
[INFO] [stdout] 309 | ...                   &guard;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/bin/delta-generator-client.rs:347:29
[INFO] [stdout]     |
[INFO] [stdout] 347 | ...                   &guard;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "19fb92158f5186c038650522b9c4bd707ef96e43ef12e7b99b031f5dcf122ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fb92158f5186c038650522b9c4bd707ef96e43ef12e7b99b031f5dcf122ab7", kill_on_drop: false }`
[INFO] [stdout] 19fb92158f5186c038650522b9c4bd707ef96e43ef12e7b99b031f5dcf122ab7