[INFO] updating cached repository https://github.com/Dmarcano/RustAsciiMovies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84dd5d029bb078245e0cb9f9c22e6be45a8791dc
[INFO] testing Dmarcano/RustAsciiMovies against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2FRustAsciiMovies" "/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/Dmarcano/RustAsciiMovies on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dmarcano/RustAsciiMovies
[INFO] finished tweaking git repo https://github.com/Dmarcano/RustAsciiMovies
[INFO] tweaked toml for git repo https://github.com/Dmarcano/RustAsciiMovies written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Dmarcano/RustAsciiMovies already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ee2aa4049215d873b5b3413aab4a45d4b5458d70523a50a102709c9960dc626
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ee2aa4049215d873b5b3413aab4a45d4b5458d70523a50a102709c9960dc626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee2aa4049215d873b5b3413aab4a45d4b5458d70523a50a102709c9960dc626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee2aa4049215d873b5b3413aab4a45d4b5458d70523a50a102709c9960dc626", kill_on_drop: false }`
[INFO] [stdout] 4ee2aa4049215d873b5b3413aab4a45d4b5458d70523a50a102709c9960dc626
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4ec440fda3e01437b7707ae4e85b2ae8dc8d32c3e1204f026dcd82dee90b6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf4ec440fda3e01437b7707ae4e85b2ae8dc8d32c3e1204f026dcd82dee90b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling asciMationRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::FirstLinkedList`
[INFO] [stdout]   --> src/learn_list/first_list.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use super::FirstLinkedList;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/learn_list/second.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::SecondList`
[INFO] [stdout]   --> src/learn_list/second.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use super::SecondList;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_ll`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let first_ll = first_list::FirstLinkedList::new();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ll`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/learn_list/second.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let sample = vec![1,2];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/learn_list/first_list.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     data: i32,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `More`
[INFO] [stdout]   --> src/learn_list/first_list.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     More(Box<FirstLLNode>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/learn_list/first_list.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn push(&mut self, val: i32) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/learn_list/first_list.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn pop(&mut self) -> Option<i32> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_tail`
[INFO] [stdout]   --> src/learn_list/second.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn pop_tail(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/learn_list/second.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]   --> src/learn_list/second.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn push(&mut self, val: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/learn_list/second.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn peek(& self ) -> Option<&T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_as_mut`
[INFO] [stdout]   --> src/learn_list/second.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn peek_as_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `into_iter`
[INFO] [stdout]   --> src/learn_list/second.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn into_iter(self) -> IntoIter<T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `asciMationRust` 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: `asci_mation_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "cf4ec440fda3e01437b7707ae4e85b2ae8dc8d32c3e1204f026dcd82dee90b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4ec440fda3e01437b7707ae4e85b2ae8dc8d32c3e1204f026dcd82dee90b6b", kill_on_drop: false }`
[INFO] [stdout] cf4ec440fda3e01437b7707ae4e85b2ae8dc8d32c3e1204f026dcd82dee90b6b
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c375fe78714299e9e14c7646eae518c6b1644daf376140aef0e2a9ad3c941d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c375fe78714299e9e14c7646eae518c6b1644daf376140aef0e2a9ad3c941d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling asciMationRust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/learn_list/second.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_ll`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let first_ll = first_list::FirstLinkedList::new();
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ll`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sample`
[INFO] [stdout]   --> src/learn_list/second.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let sample = vec![1,2];
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_tail`
[INFO] [stdout]   --> src/learn_list/second.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn pop_tail(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `asciMationRust` 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: `asci_mation_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "7c375fe78714299e9e14c7646eae518c6b1644daf376140aef0e2a9ad3c941d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c375fe78714299e9e14c7646eae518c6b1644daf376140aef0e2a9ad3c941d8", kill_on_drop: false }`
[INFO] [stdout] 7c375fe78714299e9e14c7646eae518c6b1644daf376140aef0e2a9ad3c941d8
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb911a9c824998cbc11b523f10342e0132f75c40bfbc1099afa7f48fbecfa97f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bb911a9c824998cbc11b523f10342e0132f75c40bfbc1099afa7f48fbecfa97f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/learn_list/second.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_ll`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let first_ll = first_list::FirstLinkedList::new();
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_ll`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sample`
[INFO] [stderr]   --> src/learn_list/second.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let sample = vec![1,2];
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sample`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_tail`
[INFO] [stderr]   --> src/learn_list/second.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn pop_tail(&mut self) -> Option<T> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `asciMationRust` 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: `asci_mation_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asciMationRust-01d07621f98de91a
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test learn_list::first_list::test::push_pop_test ... ok
[INFO] [stdout] test learn_list::first_list::test::empty_list_check ... ok
[INFO] [stdout] test learn_list::second::test::empty_list_check ... ok
[INFO] [stdout] test learn_list::second::test::into_iter_test ... ok
[INFO] [stdout] test learn_list::second::test::push_pop_test ... ok
[INFO] [stdout] test learn_list::second::test::peek_test ... ok
[INFO] [stdout] test learn_list::second::test::mut_peek_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb911a9c824998cbc11b523f10342e0132f75c40bfbc1099afa7f48fbecfa97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb911a9c824998cbc11b523f10342e0132f75c40bfbc1099afa7f48fbecfa97f", kill_on_drop: false }`
[INFO] [stdout] bb911a9c824998cbc11b523f10342e0132f75c40bfbc1099afa7f48fbecfa97f