[INFO] fetching crate rusted-mem 0.1.0...
[INFO] testing rusted-mem-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rusted-mem 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusted-mem 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusted-mem 0.1.0
[INFO] finished tweaking crates.io crate rusted-mem 0.1.0
[INFO] tweaked toml for crates.io crate rusted-mem 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e5bfc25679640a49664ada653e7a59cbe1eeed6cf95872b4755130022669965
[INFO] running `Command { std: "docker" "start" "-a" "8e5bfc25679640a49664ada653e7a59cbe1eeed6cf95872b4755130022669965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e5bfc25679640a49664ada653e7a59cbe1eeed6cf95872b4755130022669965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5bfc25679640a49664ada653e7a59cbe1eeed6cf95872b4755130022669965", kill_on_drop: false }`
[INFO] [stdout] 8e5bfc25679640a49664ada653e7a59cbe1eeed6cf95872b4755130022669965
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d53fdd6d9472acb36ddc3a1df2235262ad09f2b59ebc0d31cd340a5d722bc6
[INFO] running `Command { std: "docker" "start" "-a" "14d53fdd6d9472acb36ddc3a1df2235262ad09f2b59ebc0d31cd340a5d722bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusted-mem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/nodes.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/nodes.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     value: Option<T>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "14d53fdd6d9472acb36ddc3a1df2235262ad09f2b59ebc0d31cd340a5d722bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d53fdd6d9472acb36ddc3a1df2235262ad09f2b59ebc0d31cd340a5d722bc6", kill_on_drop: false }`
[INFO] [stdout] 14d53fdd6d9472acb36ddc3a1df2235262ad09f2b59ebc0d31cd340a5d722bc6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b8c0d11ea33519a1e0026529efda561bfc3b52b12afeea44fb863d5d58d2c4
[INFO] running `Command { std: "docker" "start" "-a" "26b8c0d11ea33519a1e0026529efda561bfc3b52b12afeea44fb863d5d58d2c4", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/nodes.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rusted-mem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/nodes.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     value: Option<T>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "26b8c0d11ea33519a1e0026529efda561bfc3b52b12afeea44fb863d5d58d2c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b8c0d11ea33519a1e0026529efda561bfc3b52b12afeea44fb863d5d58d2c4", kill_on_drop: false }`
[INFO] [stdout] 26b8c0d11ea33519a1e0026529efda561bfc3b52b12afeea44fb863d5d58d2c4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f97e2a113c191b5abf24a4b38d8cbd54f719972895cdfe4f135ba47499f34dc
[INFO] running `Command { std: "docker" "start" "-a" "4f97e2a113c191b5abf24a4b38d8cbd54f719972895cdfe4f135ba47499f34dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> src/nodes.rs:27:5
[INFO] [stdout] test tests::add_node_to_nodes ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::nodes_is_empty ... ok
[INFO] [stderr] 27 |     key: String,
[INFO] [stdout] test tests::pop_empty_nodes ... ok
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/nodes.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     value: Option<T>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusted-mem` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusted_mem-a786bdc8bf142360)
[INFO] [stderr]    Doc-tests rusted-mem
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f97e2a113c191b5abf24a4b38d8cbd54f719972895cdfe4f135ba47499f34dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f97e2a113c191b5abf24a4b38d8cbd54f719972895cdfe4f135ba47499f34dc", kill_on_drop: false }`
[INFO] [stdout] 4f97e2a113c191b5abf24a4b38d8cbd54f719972895cdfe4f135ba47499f34dc
