[INFO] fetching crate x-server-stats 0.1.2...
[INFO] building x-server-stats-0.1.2 against master#0da281b6068a7d889ae89a9bd8991284cc9b7535 for pr-103610
[INFO] extracting crate x-server-stats 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate x-server-stats 0.1.2 on toolchain 0da281b6068a7d889ae89a9bd8991284cc9b7535
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate x-server-stats 0.1.2
[INFO] finished tweaking crates.io crate x-server-stats 0.1.2
[INFO] tweaked toml for crates.io crate x-server-stats 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate x-server-stats 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35bd3026008a4427d13d48083fc1622ab434b73b777d6d42c6b268d2284d654b
[INFO] running `Command { std: "docker" "start" "-a" "35bd3026008a4427d13d48083fc1622ab434b73b777d6d42c6b268d2284d654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35bd3026008a4427d13d48083fc1622ab434b73b777d6d42c6b268d2284d654b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bd3026008a4427d13d48083fc1622ab434b73b777d6d42c6b268d2284d654b", kill_on_drop: false }`
[INFO] [stdout] 35bd3026008a4427d13d48083fc1622ab434b73b777d6d42c6b268d2284d654b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0668397eccdd799fd73ebdb36d41c4c9b1fecc46fb1a502c12d4fbb5adeb14f
[INFO] running `Command { std: "docker" "start" "-a" "a0668397eccdd799fd73ebdb36d41c4c9b1fecc46fb1a502c12d4fbb5adeb14f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling actix-web-lab v0.18.2
[INFO] [stderr]    Compiling x-server-stats v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Serializer`
[INFO] [stdout]  --> src/stats/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/stats/model.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/stats/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `MapAccess`, `Visitor`
[INFO] [stdout]  --> src/stats/model.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::de::{Deserializer, MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::ser::SerializeMap`
[INFO] [stdout]   --> src/stats/model.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::ser::SerializeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteSize`, `Memory`, `PlatformMemory`
[INFO] [stdout]   --> src/stats/model.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use systemstat::{ByteSize, Memory, PlatformMemory};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `systemstat::BTreeMap`
[INFO] [stdout]  --> src/utils/utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use systemstat::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "a0668397eccdd799fd73ebdb36d41c4c9b1fecc46fb1a502c12d4fbb5adeb14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0668397eccdd799fd73ebdb36d41c4c9b1fecc46fb1a502c12d4fbb5adeb14f", kill_on_drop: false }`
[INFO] [stdout] a0668397eccdd799fd73ebdb36d41c4c9b1fecc46fb1a502c12d4fbb5adeb14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+0da281b6068a7d889ae89a9bd8991284cc9b7535" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b118e32f2ea7ebdedd7e117a7971e103f0a5d86b83b31dda7796a28b269e73
[INFO] running `Command { std: "docker" "start" "-a" "49b118e32f2ea7ebdedd7e117a7971e103f0a5d86b83b31dda7796a28b269e73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling x-server-stats v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Serializer`
[INFO] [stdout]  --> src/stats/model.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serializer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/stats/model.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/stats/model.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `MapAccess`, `Visitor`
[INFO] [stdout]  --> src/stats/model.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::de::{Deserializer, MapAccess, Visitor};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::ser::SerializeMap`
[INFO] [stdout]   --> src/stats/model.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde::ser::SerializeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteSize`, `Memory`, `PlatformMemory`
[INFO] [stdout]   --> src/stats/model.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use systemstat::{ByteSize, Memory, PlatformMemory};
[INFO] [stdout]    |                  ^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `systemstat::BTreeMap`
[INFO] [stdout]  --> src/utils/utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use systemstat::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "49b118e32f2ea7ebdedd7e117a7971e103f0a5d86b83b31dda7796a28b269e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b118e32f2ea7ebdedd7e117a7971e103f0a5d86b83b31dda7796a28b269e73", kill_on_drop: false }`
[INFO] [stdout] 49b118e32f2ea7ebdedd7e117a7971e103f0a5d86b83b31dda7796a28b269e73