[INFO] fetching crate bitcask-rs 0.1.1...
[INFO] checking bitcask-rs-0.1.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate bitcask-rs 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bitcask-rs 0.1.1 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcask-rs 0.1.1
[INFO] finished tweaking crates.io crate bitcask-rs 0.1.1
[INFO] tweaked toml for crates.io crate bitcask-rs 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]       Adding derive_builder v0.5.1 (available: v0.20.2)
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[INFO] [stderr]       Adding uuid v0.6.5 (available: v1.11.0)
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[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "fddc4d85aa9b26055a6be51bd10f84c44ee5d2fab84fe2319e3f007f6bdb80a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddc4d85aa9b26055a6be51bd10f84c44ee5d2fab84fe2319e3f007f6bdb80a5", kill_on_drop: false }`
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[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:34:23
[INFO] [stdout]    |
[INFO] [stdout] 34 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 36 | static INIT: Once = Once::new();
[INFO] [stdout]    |                     ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 | static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 36 | static INIT: Once = Once::new();
[INFO] [stdout]    |                     ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nll` has been stable since 1.63.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/keys_iterator.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     iter: Box<Iterator<Item = &'a Key> + 'a>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     iter: Box<dyn Iterator<Item = &'a Key> + 'a>,
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/keys_iterator.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     iter: Box<Iterator<Item = &'a Key> + 'a>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     iter: Box<dyn Iterator<Item = &'a Key> + 'a>,
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/keys_iterator.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(iter: Box<Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(iter: Box<dyn Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/keys_iterator.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(iter: Box<Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn new(iter: Box<dyn Iterator<Item = &'a Key> + 'a>) -> StoreKeysIter<'a> {
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/store.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn keys<'a>(&'a self) -> Box<dyn Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/store.rs:123:38
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub fn keys<'a>(&'a self) -> Box<dyn Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/store.rs:170:38
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn keys<'a>(&'a self) -> Box<dyn Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/store.rs:170:38
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn keys<'a>(&'a self) -> Box<Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn keys<'a>(&'a self) -> Box<dyn Iterator<Item = &'a Key> + 'a> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/store.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct OlderData {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 136 |     config: Arc<Config>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_segment` is never used
[INFO] [stdout]    --> src/store.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Store {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/store.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub struct OlderData {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 136 |     config: Arc<Config>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_segment` is never used
[INFO] [stdout]    --> src/store.rs:360:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Store {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 360 |     fn remove_segment(&self, file_id: u64) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead
[INFO] [stdout]   --> examples/profile.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let id: String = rand::thread_rng().gen_ascii_chars().take(16).collect();
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/profile.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     for i in 0..100000000 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:39:25
[INFO] [stdout]    |
[INFO] [stdout] 39 |             bitcask_rs::escape_tombstone(b"<<>>".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 |             bitcask_rs::escape_tombstone(b"aa<<>>hel<<>>sdf".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `escape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |             bitcask_rs::escape_tombstone(b"<<>><<>>".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |             bitcask_rs::unescape_tombstone(b"<<>><<>>".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:61:25
[INFO] [stdout]    |
[INFO] [stdout] 61 |             bitcask_rs::unescape_tombstone(b"aa<<>><<>>hel<<>><<>>sdf".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |             bitcask_rs::unescape_tombstone(b"<<>><<>><<>><<>>".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `unescape_tombstone` in crate `bitcask_rs`
[INFO] [stdout]   --> tests/bitcask_test.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |             bitcask_rs::unescape_tombstone(b"<<>>".to_vec()),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^ not found in `bitcask_rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcask-rs` (test "bitcask_test") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "f5436311ce6c24ca5ab4b7beb01ea3fc12600c6db48714001a9756d5b89dc22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5436311ce6c24ca5ab4b7beb01ea3fc12600c6db48714001a9756d5b89dc22a", kill_on_drop: false }`
[INFO] [stdout] f5436311ce6c24ca5ab4b7beb01ea3fc12600c6db48714001a9756d5b89dc22a
