[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] badb00df5ce72e2a17eb49727f367dd1d7c604a3
[INFO] testing kelvindoe22/rusty-linked-list against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvindoe22%2Frusty-linked-list" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kelvindoe22/rusty-linked-list on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kelvindoe22/rusty-linked-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56aabd888068975f08c9f672d10071c078593c7a25621360451c66f3beb66d8c
[INFO] running `Command { std: "docker" "start" "-a" "56aabd888068975f08c9f672d10071c078593c7a25621360451c66f3beb66d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56aabd888068975f08c9f672d10071c078593c7a25621360451c66f3beb66d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56aabd888068975f08c9f672d10071c078593c7a25621360451c66f3beb66d8c", kill_on_drop: false }`
[INFO] [stdout] 56aabd888068975f08c9f672d10071c078593c7a25621360451c66f3beb66d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07989ec9f4360d3ee99e3f6bb2e2832ed2bf3be0695e0bfc3bed7b08603414c4
[INFO] running `Command { std: "docker" "start" "-a" "07989ec9f4360d3ee99e3f6bb2e2832ed2bf3be0695e0bfc3bed7b08603414c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling daa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "07989ec9f4360d3ee99e3f6bb2e2832ed2bf3be0695e0bfc3bed7b08603414c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07989ec9f4360d3ee99e3f6bb2e2832ed2bf3be0695e0bfc3bed7b08603414c4", kill_on_drop: false }`
[INFO] [stdout] 07989ec9f4360d3ee99e3f6bb2e2832ed2bf3be0695e0bfc3bed7b08603414c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64069f654059bca5e84678d4fa0120dbf43744d9ccdd7c30fe9d834bd18c4541
[INFO] running `Command { std: "docker" "start" "-a" "64069f654059bca5e84678d4fa0120dbf43744d9ccdd7c30fe9d834bd18c4541", kill_on_drop: false }`
[INFO] [stderr]    Compiling daa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "64069f654059bca5e84678d4fa0120dbf43744d9ccdd7c30fe9d834bd18c4541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64069f654059bca5e84678d4fa0120dbf43744d9ccdd7c30fe9d834bd18c4541", kill_on_drop: false }`
[INFO] [stdout] 64069f654059bca5e84678d4fa0120dbf43744d9ccdd7c30fe9d834bd18c4541
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46e596dc8308b440609cfe5016f9fd83048bc4717f72bc27b61e1306c3bee5ad
[INFO] running `Command { std: "docker" "start" "-a" "46e596dc8308b440609cfe5016f9fd83048bc4717f72bc27b61e1306c3bee5ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/daa-164070333a337f77)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests daa
[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] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - MyList<T>::is_empty (line 305) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::new (line 112) ... 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>::new_null (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::remove (line 209) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push (line 126) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push_front (line 255) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::push_at (line 330) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::iter (line 233) ... FAILED
[INFO] [stdout] test src/lib.rs - MyList<T>::pop (line 145) ... 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>::is_empty (line 305) stdout ----
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]  --> src/lib.rs:307:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | let list: MyList<u32> = MyList::new(4);
[INFO] [stdout]   | ^^^
[INFO] [stdout]   | |
[INFO] [stdout]   | `let` cannot be used for global variables
[INFO] [stdout]   | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - MyList<T>::new (line 112) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:114:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:187:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:172:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:100:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:211:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 (line 126) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:128:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:257:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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_at (line 330) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:332:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:338:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | asserteq!(element_at_1, Some(&7));
[INFO] [stdout]    | ^^^^^^^^ help: a macro with a similar name exists: `assert_eq`
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/2440211fe03bc45c89b6dc1a3df18382ce91e32b/library/core/src/macros/mod.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named macro `assert_eq` defined here
[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>::iter (line 233) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:235:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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:147:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | 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:155:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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>::pop_front (line 278) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `daa::lib`
[INFO] [stdout]  --> src/lib.rs:280:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | use daa::lib::MyList;
[INFO] [stdout]   |          ^^^ could not find `lib` in `daa`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 0.48s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "46e596dc8308b440609cfe5016f9fd83048bc4717f72bc27b61e1306c3bee5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e596dc8308b440609cfe5016f9fd83048bc4717f72bc27b61e1306c3bee5ad", kill_on_drop: false }`
[INFO] [stdout] 46e596dc8308b440609cfe5016f9fd83048bc4717f72bc27b61e1306c3bee5ad