[INFO] crate bitcask-rs 0.1.1 is already in cache
[INFO] extracting crate bitcask-rs 0.1.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bitcask-rs/0.1.1
[INFO] extracting crate bitcask-rs 0.1.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/bitcask-rs/0.1.1
[INFO] validating manifest of bitcask-rs-0.1.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bitcask-rs-0.1.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bitcask-rs-0.1.1
[INFO] finished frobbing bitcask-rs-0.1.1
[INFO] frobbed toml for bitcask-rs-0.1.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bitcask-rs/0.1.1/Cargo.toml
[INFO] started frobbing bitcask-rs-0.1.1
[INFO] finished frobbing bitcask-rs-0.1.1
[INFO] frobbed toml for bitcask-rs-0.1.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/bitcask-rs/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bitcask-rs-0.1.1 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/bitcask-rs/0.1.1:/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6df03e774831fb5b902b2fbfab7458e1efebf86493647bfefe4ae0daed3f2a5b
[INFO] running `"docker" "start" "-a" "6df03e774831fb5b902b2fbfab7458e1efebf86493647bfefe4ae0daed3f2a5b"`
[INFO] [stderr]     Checking io-at v0.4.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking bitcask-rs v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/keys_iterator.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     iter: Box<Iterator<Item = &'a Key> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/keys_iterator.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn new(iter: Box<Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store.rs:123:38
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store.rs:170:38
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 | static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/keys_iterator.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |     iter: Box<Iterator<Item = &'a Key> + 'a>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/keys_iterator.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn new(iter: Box<Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store.rs:123:38
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/store.rs:170:38
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Key> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:34:23
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]    |                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 | static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/store.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     config: Arc<Config>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_segment`
[INFO] [stderr]    --> src/store.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/store.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     config: Arc<Config>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_segment`
[INFO] [stderr]    --> src/store.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |             bitcask_rs::escape_tombstone(b"<<>>".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:43:25
[INFO] [stderr]    |
[INFO] [stderr] 43 |             bitcask_rs::escape_tombstone(b"aa<<>>hel<<>>sdf".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:47:25
[INFO] [stderr]    |
[INFO] [stderr] 47 |             bitcask_rs::escape_tombstone(b"<<>><<>>".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |             bitcask_rs::unescape_tombstone(b"<<>><<>>".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:61:25
[INFO] [stderr]    |
[INFO] [stderr] 61 |             bitcask_rs::unescape_tombstone(b"aa<<>><<>>hel<<>><<>>sdf".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |             bitcask_rs::unescape_tombstone(b"<<>><<>><<>><<>>".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stderr]   --> tests/bitcask_test.rs:69:25
[INFO] [stderr]    |
[INFO] [stderr] 69 |             bitcask_rs::unescape_tombstone(b"<<>>".to_vec()),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::gen_ascii_chars': use sample_iter(&Alphanumeric) instead
[INFO] [stderr]   --> examples/profile.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let id: String = rand::thread_rng().gen_ascii_chars().take(16).collect();
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> examples/profile.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for i in 0..100000000 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `bitcask-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6df03e774831fb5b902b2fbfab7458e1efebf86493647bfefe4ae0daed3f2a5b"`
[INFO] running `"docker" "rm" "-f" "6df03e774831fb5b902b2fbfab7458e1efebf86493647bfefe4ae0daed3f2a5b"`
[INFO] [stdout] 6df03e774831fb5b902b2fbfab7458e1efebf86493647bfefe4ae0daed3f2a5b