[INFO] cloning repository https://github.com/FCoder2021/LinkedTable-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FCoder2021/LinkedTable-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 330ebf9f4a06a6dc7065279a3f4b361d04665ebf
[INFO] testing FCoder2021/LinkedTable-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFCoder2021%2FLinkedTable-rust" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FCoder2021/LinkedTable-rust 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 git repo https://github.com/FCoder2021/LinkedTable-rust
[INFO] finished tweaking git repo https://github.com/FCoder2021/LinkedTable-rust
[INFO] tweaked toml for git repo https://github.com/FCoder2021/LinkedTable-rust written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/FCoder2021/LinkedTable-rust already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3953f13c4caa8d2d3ea1dd16f4371adca2ebd9a240b0d60a0ba25ed548d238a7
[INFO] running `Command { std: "docker" "start" "-a" "3953f13c4caa8d2d3ea1dd16f4371adca2ebd9a240b0d60a0ba25ed548d238a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3953f13c4caa8d2d3ea1dd16f4371adca2ebd9a240b0d60a0ba25ed548d238a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3953f13c4caa8d2d3ea1dd16f4371adca2ebd9a240b0d60a0ba25ed548d238a7", kill_on_drop: false }`
[INFO] [stdout] 3953f13c4caa8d2d3ea1dd16f4371adca2ebd9a240b0d60a0ba25ed548d238a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 28d272ffe6e6a03811b0dcf1aae7f2fa9bcc3bdd5c9279df29a166c16657c4f5
[INFO] running `Command { std: "docker" "start" "-a" "28d272ffe6e6a03811b0dcf1aae7f2fa9bcc3bdd5c9279df29a166c16657c4f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling LinkTable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `pop_link`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn pop_link(&mut self) -> Link<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_node`
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn peek_node(&self) -> Option<Ref<Node<T>>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LinkTable` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `link_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "28d272ffe6e6a03811b0dcf1aae7f2fa9bcc3bdd5c9279df29a166c16657c4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d272ffe6e6a03811b0dcf1aae7f2fa9bcc3bdd5c9279df29a166c16657c4f5", kill_on_drop: false }`
[INFO] [stdout] 28d272ffe6e6a03811b0dcf1aae7f2fa9bcc3bdd5c9279df29a166c16657c4f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] eed0de5d556c4fdc674b419f736a5c7ac2757f7b4b9f607d4b9e63b6774a5072
[INFO] running `Command { std: "docker" "start" "-a" "eed0de5d556c4fdc674b419f736a5c7ac2757f7b4b9f607d4b9e63b6774a5072", kill_on_drop: false }`
[INFO] [stderr]    Compiling LinkTable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `pop_link`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn pop_link(&mut self) -> Link<T> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_node`
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn peek_node(&self) -> Option<Ref<Node<T>>> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LinkTable` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `link_table`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/LinkTable-286140067ebccc7a)
[INFO] running `Command { std: "docker" "inspect" "eed0de5d556c4fdc674b419f736a5c7ac2757f7b4b9f607d4b9e63b6774a5072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed0de5d556c4fdc674b419f736a5c7ac2757f7b4b9f607d4b9e63b6774a5072", kill_on_drop: false }`
[INFO] [stdout] eed0de5d556c4fdc674b419f736a5c7ac2757f7b4b9f607d4b9e63b6774a5072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ab35dc5f13906013371fe3e667ac0ec4a000bbdbdbe9f4c09a2fdb2a8114a66f
[INFO] running `Command { std: "docker" "start" "-a" "ab35dc5f13906013371fe3e667ac0ec4a000bbdbdbe9f4c09a2fdb2a8114a66f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `pop_link`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn pop_link(&mut self) -> Link<T> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peek_node`
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn peek_node(&self) -> Option<Ref<Node<T>>> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LinkTable` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `link_table`
[INFO] [stderr] 
[INFO] [stderr] warning: `LinkTable` (bin "LinkTable" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/LinkTable-286140067ebccc7a)
[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" "ab35dc5f13906013371fe3e667ac0ec4a000bbdbdbe9f4c09a2fdb2a8114a66f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab35dc5f13906013371fe3e667ac0ec4a000bbdbdbe9f4c09a2fdb2a8114a66f", kill_on_drop: false }`
[INFO] [stdout] ab35dc5f13906013371fe3e667ac0ec4a000bbdbdbe9f4c09a2fdb2a8114a66f