[INFO] fetching crate rusted-mem 0.1.0...
[INFO] testing rusted-mem-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rusted-mem 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate rusted-mem 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 855800956fef2a0361e40f5ac412bd34fe669a41a1519346309e686f6ede108d
[INFO] running `Command { std: "docker" "start" "-a" "855800956fef2a0361e40f5ac412bd34fe669a41a1519346309e686f6ede108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "855800956fef2a0361e40f5ac412bd34fe669a41a1519346309e686f6ede108d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855800956fef2a0361e40f5ac412bd34fe669a41a1519346309e686f6ede108d", kill_on_drop: false }`
[INFO] [stdout] 855800956fef2a0361e40f5ac412bd34fe669a41a1519346309e686f6ede108d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0674d8cd7320f7743b9880cc4857b16678eaa99d37ace0ff07b09a5a19086d33
[INFO] running `Command { std: "docker" "start" "-a" "0674d8cd7320f7743b9880cc4857b16678eaa99d37ace0ff07b09a5a19086d33", 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 1.53s
[INFO] running `Command { std: "docker" "inspect" "0674d8cd7320f7743b9880cc4857b16678eaa99d37ace0ff07b09a5a19086d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0674d8cd7320f7743b9880cc4857b16678eaa99d37ace0ff07b09a5a19086d33", kill_on_drop: false }`
[INFO] [stdout] 0674d8cd7320f7743b9880cc4857b16678eaa99d37ace0ff07b09a5a19086d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26634b0e81b71604ecc9a802fc40b0abf4255b53a82cde3bacaf744c5270dc02
[INFO] running `Command { std: "docker" "start" "-a" "26634b0e81b71604ecc9a802fc40b0abf4255b53a82cde3bacaf744c5270dc02", 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 0.75s
[INFO] running `Command { std: "docker" "inspect" "26634b0e81b71604ecc9a802fc40b0abf4255b53a82cde3bacaf744c5270dc02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26634b0e81b71604ecc9a802fc40b0abf4255b53a82cde3bacaf744c5270dc02", kill_on_drop: false }`
[INFO] [stdout] 26634b0e81b71604ecc9a802fc40b0abf4255b53a82cde3bacaf744c5270dc02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5083a9054745ce2146c4d652a76c417d3349515e4833ccd5d2cde8aec3de46cd
[INFO] running `Command { std: "docker" "start" "-a" "5083a9054745ce2146c4d652a76c417d3349515e4833ccd5d2cde8aec3de46cd", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/nodes.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     key: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rusted_mem-3a4167899d17f920)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusted-mem
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::add_node_to_nodes ... ok
[INFO] [stdout] test tests::nodes_is_empty ... ok
[INFO] [stdout] test tests::pop_empty_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "5083a9054745ce2146c4d652a76c417d3349515e4833ccd5d2cde8aec3de46cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5083a9054745ce2146c4d652a76c417d3349515e4833ccd5d2cde8aec3de46cd", kill_on_drop: false }`
[INFO] [stdout] 5083a9054745ce2146c4d652a76c417d3349515e4833ccd5d2cde8aec3de46cd