[INFO] updating cached repository m110/notes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/m110/notes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/m110/notes" "work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/m110/notes" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m110/notes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m110/notes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f26f26363125249b9b444211f1c869d66ed6efcd
[INFO] sha for GitHub repo m110/notes: f26f26363125249b9b444211f1c869d66ed6efcd
[INFO] validating manifest of m110/notes on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of m110/notes on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing m110/notes
[INFO] finished frobbing m110/notes
[INFO] frobbed toml for m110/notes written to work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes/Cargo.toml
[INFO] started frobbing m110/notes
[INFO] finished frobbing m110/notes
[INFO] frobbed toml for m110/notes written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/m110/notes/Cargo.toml
[INFO] crate m110/notes already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing m110/notes against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5c768065e8b68bcbd31816f61db0ddb28ce6c5790d7bb07ac6a27aaeba25a8d7
[INFO] running `"docker" "start" "-a" "5c768065e8b68bcbd31816f61db0ddb28ce6c5790d7bb07ac6a27aaeba25a8d7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling notes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/cli.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/storage.rs:58:11
[INFO] [stderr]    |
[INFO] [stderr] 58 |     match env::home_dir() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `caps`
[INFO] [stderr]    --> src/storage.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 Some(caps) => {
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_caps`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/cli.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `category`
[INFO] [stderr]   --> src/models.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     category: BookCategory,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `title`
[INFO] [stderr]   --> src/models.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn title(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `entries`
[INFO] [stderr]   --> src/storage.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn entries(&self, book_id: usize) -> &Vec<Entry> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "5c768065e8b68bcbd31816f61db0ddb28ce6c5790d7bb07ac6a27aaeba25a8d7"`
[INFO] running `"docker" "rm" "-f" "5c768065e8b68bcbd31816f61db0ddb28ce6c5790d7bb07ac6a27aaeba25a8d7"`
[INFO] [stdout] 5c768065e8b68bcbd31816f61db0ddb28ce6c5790d7bb07ac6a27aaeba25a8d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f0a18adcb2500cc5dacaf5d48072ba2fe44d23cd3acaa0f463459e885fe0f0b8
[INFO] running `"docker" "start" "-a" "f0a18adcb2500cc5dacaf5d48072ba2fe44d23cd3acaa0f463459e885fe0f0b8"`
[INFO] [stderr]    Compiling notes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/cli.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/storage.rs:58:11
[INFO] [stderr]    |
[INFO] [stderr] 58 |     match env::home_dir() {
[INFO] [stderr]    |           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `caps`
[INFO] [stderr]    --> src/storage.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 Some(caps) => {
[INFO] [stderr]     |                      ^^^^ help: consider prefixing with an underscore: `_caps`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/cli.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `category`
[INFO] [stderr]   --> src/models.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     category: BookCategory,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `title`
[INFO] [stderr]   --> src/models.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn title(&self) -> &String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `entries`
[INFO] [stderr]   --> src/storage.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn entries(&self, book_id: usize) -> &Vec<Entry> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "f0a18adcb2500cc5dacaf5d48072ba2fe44d23cd3acaa0f463459e885fe0f0b8"`
[INFO] running `"docker" "rm" "-f" "f0a18adcb2500cc5dacaf5d48072ba2fe44d23cd3acaa0f463459e885fe0f0b8"`
[INFO] [stdout] f0a18adcb2500cc5dacaf5d48072ba2fe44d23cd3acaa0f463459e885fe0f0b8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/m110/notes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c07149b3d9ed21f3ba0d7811edd93578ff1455dd054da64ac8cc0be94ee2d821
[INFO] running `"docker" "start" "-a" "c07149b3d9ed21f3ba0d7811edd93578ff1455dd054da64ac8cc0be94ee2d821"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/notes-75e7b2078b148d95
[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 `"docker" "inspect" "c07149b3d9ed21f3ba0d7811edd93578ff1455dd054da64ac8cc0be94ee2d821"`
[INFO] running `"docker" "rm" "-f" "c07149b3d9ed21f3ba0d7811edd93578ff1455dd054da64ac8cc0be94ee2d821"`
[INFO] [stdout] c07149b3d9ed21f3ba0d7811edd93578ff1455dd054da64ac8cc0be94ee2d821