[INFO] fetching crate moonlight_collections 0.1.1...
[INFO] testing moonlight_collections-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate moonlight_collections 0.1.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate moonlight_collections 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moonlight_collections 0.1.1
[INFO] finished tweaking crates.io crate moonlight_collections 0.1.1
[INFO] tweaked toml for crates.io crate moonlight_collections 0.1.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2abba832611a680457f785e5630dc58c9afce2e33f0a28b126201e205c9bcc7
[INFO] running `Command { std: "docker" "start" "-a" "a2abba832611a680457f785e5630dc58c9afce2e33f0a28b126201e205c9bcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2abba832611a680457f785e5630dc58c9afce2e33f0a28b126201e205c9bcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2abba832611a680457f785e5630dc58c9afce2e33f0a28b126201e205c9bcc7", kill_on_drop: false }`
[INFO] [stdout] a2abba832611a680457f785e5630dc58c9afce2e33f0a28b126201e205c9bcc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0757fa7eeffe9c2845357d71a80d5bc927c8936cc9004e5a13e8a944f1e393b
[INFO] running `Command { std: "docker" "start" "-a" "e0757fa7eeffe9c2845357d71a80d5bc927c8936cc9004e5a13e8a944f1e393b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling moonlight_collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `itr`
[INFO] [stdout]   --> src/linked_list.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Some(itr) => true,
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_itr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hasNext` should have a snake case name
[INFO] [stdout]   --> src/linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn hasNext(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `has_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "e0757fa7eeffe9c2845357d71a80d5bc927c8936cc9004e5a13e8a944f1e393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0757fa7eeffe9c2845357d71a80d5bc927c8936cc9004e5a13e8a944f1e393b", kill_on_drop: false }`
[INFO] [stdout] e0757fa7eeffe9c2845357d71a80d5bc927c8936cc9004e5a13e8a944f1e393b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d72a2933610984adf0a195f324647782a8f3c46aa039745e3eb06ac63b516250
[INFO] running `Command { std: "docker" "start" "-a" "d72a2933610984adf0a195f324647782a8f3c46aa039745e3eb06ac63b516250", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `itr`
[INFO] [stdout]   --> src/linked_list.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Some(itr) => true,
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_itr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling moonlight_collections v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `hasNext` should have a snake case name
[INFO] [stdout]   --> src/linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn hasNext(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `has_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `itr`
[INFO] [stdout]   --> src/linked_list.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |             Some(itr) => true,
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_itr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hasNext` should have a snake case name
[INFO] [stdout]   --> src/linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn hasNext(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `has_next`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/moonlight_collections-d891248177500436)
[INFO] running `Command { std: "docker" "inspect" "d72a2933610984adf0a195f324647782a8f3c46aa039745e3eb06ac63b516250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72a2933610984adf0a195f324647782a8f3c46aa039745e3eb06ac63b516250", kill_on_drop: false }`
[INFO] [stdout] d72a2933610984adf0a195f324647782a8f3c46aa039745e3eb06ac63b516250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9db94bebb1e2e091a2837e5a5ff87476448f1570bb1403e532da59d62dfbd99
[INFO] running `Command { std: "docker" "start" "-a" "b9db94bebb1e2e091a2837e5a5ff87476448f1570bb1403e532da59d62dfbd99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `itr`
[INFO] [stderr]   --> src/linked_list.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Some(itr) => true,
[INFO] [stderr]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_itr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `hasNext` should have a snake case name
[INFO] [stderr]   --> src/linked_list.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn hasNext(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to snake case: `has_next`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `moonlight_collections` (lib) generated 2 warnings
[INFO] [stderr] warning: `moonlight_collections` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/moonlight_collections-d891248177500436)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test linked_list::tests::add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests moonlight_collections
[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" "b9db94bebb1e2e091a2837e5a5ff87476448f1570bb1403e532da59d62dfbd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9db94bebb1e2e091a2837e5a5ff87476448f1570bb1403e532da59d62dfbd99", kill_on_drop: false }`
[INFO] [stdout] b9db94bebb1e2e091a2837e5a5ff87476448f1570bb1403e532da59d62dfbd99