[INFO] cloning repository https://github.com/rezzett/rs_notebook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rezzett/rs_notebook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzett%2Frs_notebook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzett%2Frs_notebook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3235e26fdf262df2be7fac78729f791fc0d565d
[INFO] testing rezzett/rs_notebook against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frezzett%2Frs_notebook" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rezzett/rs_notebook on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rezzett/rs_notebook
[INFO] finished tweaking git repo https://github.com/rezzett/rs_notebook
[INFO] tweaked toml for git repo https://github.com/rezzett/rs_notebook written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rezzett/rs_notebook already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11118b4f48d850b1012f9732823041ce696abfd07b88ea2f488b6f52ec2c6b0f
[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" "11118b4f48d850b1012f9732823041ce696abfd07b88ea2f488b6f52ec2c6b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11118b4f48d850b1012f9732823041ce696abfd07b88ea2f488b6f52ec2c6b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11118b4f48d850b1012f9732823041ce696abfd07b88ea2f488b6f52ec2c6b0f", kill_on_drop: false }`
[INFO] [stdout] 11118b4f48d850b1012f9732823041ce696abfd07b88ea2f488b6f52ec2c6b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0336670b5976298df4dbcefa416f550bd3adfbbc4658028e94d8c8ee0360e18
[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" "d0336670b5976298df4dbcefa416f550bd3adfbbc4658028e94d8c8ee0360e18", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_notebook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/store.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/store.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/store.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(text: &str) -> Note {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Store`
[INFO] [stdout]   --> src/store.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Store {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/store.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Store {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_note`
[INFO] [stdout]   --> src/store.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_note`
[INFO] [stdout]   --> src/store.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_notes`
[INFO] [stdout]   --> src/store.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn get_notes(&self) -> Vec<Note> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/store.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn save(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/store.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn read(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "d0336670b5976298df4dbcefa416f550bd3adfbbc4658028e94d8c8ee0360e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0336670b5976298df4dbcefa416f550bd3adfbbc4658028e94d8c8ee0360e18", kill_on_drop: false }`
[INFO] [stdout] d0336670b5976298df4dbcefa416f550bd3adfbbc4658028e94d8c8ee0360e18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57de5d0f20728f963b91c98ecd2f0a81dbab15034f7a870d8ea627d24365ab0
[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" "d57de5d0f20728f963b91c98ecd2f0a81dbab15034f7a870d8ea627d24365ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_notebook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/store.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/store.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stdout]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/store.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(text: &str) -> Note {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Store`
[INFO] [stdout]   --> src/store.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Store {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/store.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Store {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_note`
[INFO] [stdout]   --> src/store.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_note`
[INFO] [stdout]   --> src/store.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_notes`
[INFO] [stdout]   --> src/store.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn get_notes(&self) -> Vec<Note> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/store.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn save(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/store.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn read(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d57de5d0f20728f963b91c98ecd2f0a81dbab15034f7a870d8ea627d24365ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57de5d0f20728f963b91c98ecd2f0a81dbab15034f7a870d8ea627d24365ab0", kill_on_drop: false }`
[INFO] [stdout] d57de5d0f20728f963b91c98ecd2f0a81dbab15034f7a870d8ea627d24365ab0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e23e4ee5ad50b13ff3793f604482b91bcb88d848714ddbad38e110ca9cdfc0a3
[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" "e23e4ee5ad50b13ff3793f604482b91bcb88d848714ddbad38e110ca9cdfc0a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/store.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stderr]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/store.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stderr]    |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/store.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(text: &str) -> Note {
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Store`
[INFO] [stderr]   --> src/store.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Store {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/store.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new() -> Store {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_note`
[INFO] [stderr]   --> src/store.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn add_note(&mut self, text: &str) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove_note`
[INFO] [stderr]   --> src/store.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn remove_note(&mut self, index: usize) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_notes`
[INFO] [stderr]   --> src/store.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_notes(&self) -> Vec<Note> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save`
[INFO] [stderr]   --> src/store.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn save(&self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/store.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn read(&mut self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_notebook-00ad41112443487f
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e23e4ee5ad50b13ff3793f604482b91bcb88d848714ddbad38e110ca9cdfc0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23e4ee5ad50b13ff3793f604482b91bcb88d848714ddbad38e110ca9cdfc0a3", kill_on_drop: false }`
[INFO] [stdout] e23e4ee5ad50b13ff3793f604482b91bcb88d848714ddbad38e110ca9cdfc0a3