[INFO] fetching crate quotick 0.1.3...
[INFO] testing quotick-0.1.3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate quotick 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate quotick 0.1.3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quotick 0.1.3
[INFO] finished tweaking crates.io crate quotick 0.1.3
[INFO] tweaked toml for crates.io crate quotick 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate quotick 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b3805da9c9808c02a976648dff9f0008c81ab002000abfabb6d451998f0c8e
[INFO] running `Command { std: "docker" "start" "-a" "46b3805da9c9808c02a976648dff9f0008c81ab002000abfabb6d451998f0c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b3805da9c9808c02a976648dff9f0008c81ab002000abfabb6d451998f0c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b3805da9c9808c02a976648dff9f0008c81ab002000abfabb6d451998f0c8e", kill_on_drop: false }`
[INFO] [stdout] 46b3805da9c9808c02a976648dff9f0008c81ab002000abfabb6d451998f0c8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2689b77655667778889d27eb0508b217ce42bb75870a71cf8734aa5d4a833850
[INFO] running `Command { std: "docker" "start" "-a" "2689b77655667778889d27eb0508b217ce42bb75870a71cf8734aa5d4a833850", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling quotick v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     path_builder: QuotickPathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/quotick.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/epoch.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 | /         self.frame_index_backing
[INFO] [stdout] 114 | |             .write_all(
[INFO] [stdout] 115 | |                 &self.frame_index,
[INFO] [stdout] 116 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/quotick.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     std::fs::create_dir_all(
[INFO] [stdout] 35 | |         path_builder
[INFO] [stdout] 36 | |             .epoch_path(),
[INFO] [stdout] 37 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         frame_set.insert(frame);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | /         self.epoch_index_backing
[INFO] [stdout] 183 | |             .write_all(
[INFO] [stdout] 184 | |                 &epoch_index,
[INFO] [stdout] 185 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         self.persist();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `T` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     T: Option<String>,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         quotick.insert(
[INFO] [stdout] 72 | |             &quotick::Frame::new(
[INFO] [stdout] 73 | |                 tick.t as u64,
[INFO] [stdout] 74 | |                 Trade {
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             )
[INFO] [stdout] 82 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     quotick.persist();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     file.read_to_end(&mut test_data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "2689b77655667778889d27eb0508b217ce42bb75870a71cf8734aa5d4a833850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2689b77655667778889d27eb0508b217ce42bb75870a71cf8734aa5d4a833850", kill_on_drop: false }`
[INFO] [stdout] 2689b77655667778889d27eb0508b217ce42bb75870a71cf8734aa5d4a833850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7891728fc7ed4f7d4ce03c18b809ffa6c834ddda80ed43dbcd787075004e24c
[INFO] running `Command { std: "docker" "start" "-a" "b7891728fc7ed4f7d4ce03c18b809ffa6c834ddda80ed43dbcd787075004e24c", kill_on_drop: false }`
[INFO] [stderr]    Compiling quotick v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     path_builder: QuotickPathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/quotick.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/epoch.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 | /         self.frame_index_backing
[INFO] [stdout] 114 | |             .write_all(
[INFO] [stdout] 115 | |                 &self.frame_index,
[INFO] [stdout] 116 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/quotick.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     std::fs::create_dir_all(
[INFO] [stdout] 35 | |         path_builder
[INFO] [stdout] 36 | |             .epoch_path(),
[INFO] [stdout] 37 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         frame_set.insert(frame);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | /         self.epoch_index_backing
[INFO] [stdout] 183 | |             .write_all(
[INFO] [stdout] 184 | |                 &epoch_index,
[INFO] [stdout] 185 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         self.persist();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `T` should have a snake case name
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     T: Option<String>,
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         quotick.insert(
[INFO] [stdout] 72 | |             &quotick::Frame::new(
[INFO] [stdout] 73 | |                 tick.t as u64,
[INFO] [stdout] 74 | |                 Trade {
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             )
[INFO] [stdout] 82 | |         );
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     quotick.persist();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     file.read_to_end(&mut test_data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path_builder`
[INFO] [stdout]   --> src/epoch.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     path_builder: QuotickPathBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `curr_epoch`
[INFO] [stdout]    --> src/quotick.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/epoch.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 | /         self.frame_index_backing
[INFO] [stdout] 114 | |             .write_all(
[INFO] [stdout] 115 | |                 &self.frame_index,
[INFO] [stdout] 116 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/quotick.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     std::fs::create_dir_all(
[INFO] [stdout] 35 | |         path_builder
[INFO] [stdout] 36 | |             .epoch_path(),
[INFO] [stdout] 37 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         frame_set.insert(frame);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 | /         self.epoch_index_backing
[INFO] [stdout] 183 | |             .write_all(
[INFO] [stdout] 184 | |                 &epoch_index,
[INFO] [stdout] 185 | |             );
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/quotick.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         self.persist();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "b7891728fc7ed4f7d4ce03c18b809ffa6c834ddda80ed43dbcd787075004e24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7891728fc7ed4f7d4ce03c18b809ffa6c834ddda80ed43dbcd787075004e24c", kill_on_drop: false }`
[INFO] [stdout] b7891728fc7ed4f7d4ce03c18b809ffa6c834ddda80ed43dbcd787075004e24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39089190521eebd78976595d9b5f25a8fbe2536b821b9d03febdf17206d2ed8f
[INFO] running `Command { std: "docker" "start" "-a" "39089190521eebd78976595d9b5f25a8fbe2536b821b9d03febdf17206d2ed8f", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `path_builder`
[INFO] [stderr]   --> src/epoch.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     path_builder: QuotickPathBuilder,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `curr_epoch`
[INFO] [stderr]    --> src/quotick.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     curr_epoch: Option<Epoch<T>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/epoch.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 | /         self.frame_index_backing
[INFO] [stderr] 114 | |             .write_all(
[INFO] [stderr] 115 | |                 &self.frame_index,
[INFO] [stderr] 116 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/quotick.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | /     std::fs::create_dir_all(
[INFO] [stderr] 35 | |         path_builder
[INFO] [stderr] 36 | |             .epoch_path(),
[INFO] [stderr] 37 | |     );
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/quotick.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         frame_set.insert(frame);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/quotick.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 | /         self.epoch_index_backing
[INFO] [stderr] 183 | |             .write_all(
[INFO] [stderr] 184 | |                 &epoch_index,
[INFO] [stderr] 185 | |             );
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/quotick.rs:206:9
[INFO] [stderr]     |
[INFO] [stderr] 206 |         self.persist();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `quotick` (lib) generated 7 warnings
[INFO] [stderr] warning: `quotick` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: structure field `T` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     T: Option<String>,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 | /         quotick.insert(
[INFO] [stderr] 72 | |             &quotick::Frame::new(
[INFO] [stderr] 73 | |                 tick.t as u64,
[INFO] [stderr] 74 | |                 Trade {
[INFO] [stderr] ...  |
[INFO] [stderr] 81 | |             )
[INFO] [stderr] 82 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     quotick.persist();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     file.read_to_end(&mut test_data);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `quotick` (bin "quotick" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quotick-995f9f4e42591b17)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quotick-3489a80bb0af342c)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quotick
[INFO] [stderr] error[E0659]: `quotick` is ambiguous
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:6:9
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub use quotick::Quotick;
[INFO] [stderr]    |         ^^^^^^^ ambiguous name
[INFO] [stderr]    |
[INFO] [stderr]    = note: ambiguous because of multiple potential import sources
[INFO] [stderr]    = note: `quotick` could refer to a crate passed with `--extern`
[INFO] [stderr]    = help: use `::quotick` to refer to this crate unambiguously
[INFO] [stderr] note: `quotick` could also refer to the module defined here
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub mod quotick;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: use `crate::quotick` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "39089190521eebd78976595d9b5f25a8fbe2536b821b9d03febdf17206d2ed8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39089190521eebd78976595d9b5f25a8fbe2536b821b9d03febdf17206d2ed8f", kill_on_drop: false }`
[INFO] [stdout] 39089190521eebd78976595d9b5f25a8fbe2536b821b9d03febdf17206d2ed8f