[INFO] cloning repository https://github.com/kelvindoe22/rusty-linked-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kelvindoe22/rusty-linked-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvindoe22%2Frusty-linked-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvindoe22%2Frusty-linked-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc778089b7af121da308acb442adc121ba96880f
[INFO] testing kelvindoe22/rusty-linked-list against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvindoe22%2Frusty-linked-list" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kelvindoe22/rusty-linked-list on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kelvindoe22/rusty-linked-list
[INFO] finished tweaking git repo https://github.com/kelvindoe22/rusty-linked-list
[INFO] tweaked toml for git repo https://github.com/kelvindoe22/rusty-linked-list written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kelvindoe22/rusty-linked-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58d6a8b0edcbcfd4ccdc9b7f46056233cf57442f15d1e7d18cc777f0bbbf6d9b
[INFO] running `Command { std: "docker" "start" "-a" "58d6a8b0edcbcfd4ccdc9b7f46056233cf57442f15d1e7d18cc777f0bbbf6d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d6a8b0edcbcfd4ccdc9b7f46056233cf57442f15d1e7d18cc777f0bbbf6d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d6a8b0edcbcfd4ccdc9b7f46056233cf57442f15d1e7d18cc777f0bbbf6d9b", kill_on_drop: false }`
[INFO] [stdout] 58d6a8b0edcbcfd4ccdc9b7f46056233cf57442f15d1e7d18cc777f0bbbf6d9b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6938526bf797dc3e975bceefc4eee7713529c4d5b6a29f943d33809d6a82b6be
[INFO] running `Command { std: "docker" "start" "-a" "6938526bf797dc3e975bceefc4eee7713529c4d5b6a29f943d33809d6a82b6be", kill_on_drop: false }`
[INFO] [stderr]    Compiling daa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "6938526bf797dc3e975bceefc4eee7713529c4d5b6a29f943d33809d6a82b6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6938526bf797dc3e975bceefc4eee7713529c4d5b6a29f943d33809d6a82b6be", kill_on_drop: false }`
[INFO] [stdout] 6938526bf797dc3e975bceefc4eee7713529c4d5b6a29f943d33809d6a82b6be
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647ccfac469456891c8b28bc2c148417c66f5e354315f76ed13c443584e6dae9
[INFO] running `Command { std: "docker" "start" "-a" "647ccfac469456891c8b28bc2c148417c66f5e354315f76ed13c443584e6dae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling daa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "647ccfac469456891c8b28bc2c148417c66f5e354315f76ed13c443584e6dae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647ccfac469456891c8b28bc2c148417c66f5e354315f76ed13c443584e6dae9", kill_on_drop: false }`
[INFO] [stdout] 647ccfac469456891c8b28bc2c148417c66f5e354315f76ed13c443584e6dae9
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a27421d751a0608ec4cf9d7d448590368f7a356a00c529723f15debaf19cf47
[INFO] running `Command { std: "docker" "start" "-a" "6a27421d751a0608ec4cf9d7d448590368f7a356a00c529723f15debaf19cf47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/daa-2cf65aeadc6335c0)
[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] [stderr]    Doc-tests daa
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - MyList<T>::new (line 112) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::new_null (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push_front (line 255) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::remove (line 209) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::iter (line 233) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::peek_at (line 185) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::peek_beginning (line 170) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::is_empty (line 305) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push (line 126) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::pop (line 145) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push_at (line 330) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::pop_front (line 278) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - MyList<T>::new (line 112) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:113:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::new_null (line 98) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:99:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::push_front (line 255) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:256:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::remove (line 209) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:210:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::iter (line 233) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:234:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::peek_at (line 185) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:186:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::peek_beginning (line 170) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:171:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::is_empty (line 305) stdout ----
[INFO] [stdout] error: expected `;`, found `assert`
[INFO] [stdout]  --> src/lib.rs:309:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | assert!(empty_list.is_empty())
[INFO] [stdout]   |                               ^ help: add `;` here
[INFO] [stdout] 8 | assert!(!list.is_empty())
[INFO] [stdout]   | ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:306:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::push (line 126) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:127:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::pop (line 145) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:146:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `none_element` in this scope
[INFO] [stdout]   --> src/lib.rs:154:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | assert_eq!(none_element, None);
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: a local variable with a similar name exists: `popped_element`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::push_at (line 330) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:331:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `asserteq` in this scope
[INFO] [stdout]   --> src/lib.rs:337:1
[INFO] [stdout]    |
[INFO] [stdout] 10 |   asserteq!(element_at_1, Some(&7));
[INFO] [stdout]    |   ^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::pop_front (line 278) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:279:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - MyList<T>::is_empty (line 305)
[INFO] [stdout]     src/lib.rs - MyList<T>::iter (line 233)
[INFO] [stdout]     src/lib.rs - MyList<T>::new (line 112)
[INFO] [stdout]     src/lib.rs - MyList<T>::new_null (line 98)
[INFO] [stdout]     src/lib.rs - MyList<T>::peek_at (line 185)
[INFO] [stdout]     src/lib.rs - MyList<T>::peek_beginning (line 170)
[INFO] [stdout]     src/lib.rs - MyList<T>::pop (line 145)
[INFO] [stdout]     src/lib.rs - MyList<T>::pop_front (line 278)
[INFO] [stdout]     src/lib.rs - MyList<T>::push (line 126)
[INFO] [stdout]     src/lib.rs - MyList<T>::push_at (line 330)
[INFO] [stdout]     src/lib.rs - MyList<T>::push_front (line 255)
[INFO] [stdout]     src/lib.rs - MyList<T>::remove (line 209)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 12 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6a27421d751a0608ec4cf9d7d448590368f7a356a00c529723f15debaf19cf47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a27421d751a0608ec4cf9d7d448590368f7a356a00c529723f15debaf19cf47", kill_on_drop: false }`
[INFO] [stdout] 6a27421d751a0608ec4cf9d7d448590368f7a356a00c529723f15debaf19cf47