[INFO] fetching crate akita_core 0.5.0...
[INFO] testing akita_core-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate akita_core 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate akita_core 0.5.0
[INFO] finished tweaking crates.io crate akita_core 0.5.0
[INFO] tweaked toml for crates.io crate akita_core 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate akita_core 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate akita_core 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3ef1fb140e23dcf5ca7909bc586d886c31d1a4d6055051039ec41745f3bb0f
[INFO] running `Command { std: "docker" "start" "-a" "1f3ef1fb140e23dcf5ca7909bc586d886c31d1a4d6055051039ec41745f3bb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3ef1fb140e23dcf5ca7909bc586d886c31d1a4d6055051039ec41745f3bb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3ef1fb140e23dcf5ca7909bc586d886c31d1a4d6055051039ec41745f3bb0f", kill_on_drop: false }`
[INFO] [stdout] 1f3ef1fb140e23dcf5ca7909bc586d886c31d1a4d6055051039ec41745f3bb0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2d51bbf8e1f031697eed9eb4bf057dc0eb450d846dd687c354079febb63ad9
[INFO] running `Command { std: "docker" "start" "-a" "ec2d51bbf8e1f031697eed9eb4bf057dc0eb450d846dd687c354079febb63ad9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling akita_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 59.42s
[INFO] running `Command { std: "docker" "inspect" "ec2d51bbf8e1f031697eed9eb4bf057dc0eb450d846dd687c354079febb63ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2d51bbf8e1f031697eed9eb4bf057dc0eb450d846dd687c354079febb63ad9", kill_on_drop: false }`
[INFO] [stdout] ec2d51bbf8e1f031697eed9eb4bf057dc0eb450d846dd687c354079febb63ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 780d146142068108f9fcbef76485f4432c19994a54d3eb27a86f8debd80c255e
[INFO] running `Command { std: "docker" "start" "-a" "780d146142068108f9fcbef76485f4432c19994a54d3eb27a86f8debd80c255e", kill_on_drop: false }`
[INFO] [stderr]    Compiling akita_core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime`, `NaiveDateTime`, `NaiveDate`, `NaiveTime`, and `Utc`
[INFO] [stdout]     --> src/value.rs:1320:18
[INFO] [stdout]      |
[INFO] [stdout] 1320 |     use chrono::{DateTime, NaiveDate, NaiveDateTime, NaiveTime, Utc};
[INFO] [stdout]      |                  ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deserials`
[INFO] [stdout]     --> src/value.rs:1325:9
[INFO] [stdout]      |
[INFO] [stdout] 1325 |     let deserials = serde_json::from_str::<Value>(&serialize).unwrap();
[INFO] [stdout]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserials`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/data.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "780d146142068108f9fcbef76485f4432c19994a54d3eb27a86f8debd80c255e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780d146142068108f9fcbef76485f4432c19994a54d3eb27a86f8debd80c255e", kill_on_drop: false }`
[INFO] [stdout] 780d146142068108f9fcbef76485f4432c19994a54d3eb27a86f8debd80c255e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c82afdb860fe5c6b506e650486308a5cfb009d08f891e6618e0c93b644b567f
[INFO] running `Command { std: "docker" "start" "-a" "9c82afdb860fe5c6b506e650486308a5cfb009d08f891e6618e0c93b644b567f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/data.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DateTime`, `NaiveDateTime`, `NaiveDate`, `NaiveTime`, and `Utc`
[INFO] [stderr]     --> src/value.rs:1320:18
[INFO] [stderr]      |
[INFO] [stderr] 1320 |     use chrono::{DateTime, NaiveDate, NaiveDateTime, NaiveTime, Utc};
[INFO] [stderr]      |                  ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^  ^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deserials`
[INFO] [stderr]     --> src/value.rs:1325:9
[INFO] [stderr]      |
[INFO] [stderr] 1325 |     let deserials = serde_json::from_str::<Value>(&serialize).unwrap();
[INFO] [stderr]      |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deserials`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `akita_core` (lib) generated 1 warning (run `cargo fix --lib -p akita_core` to apply 1 suggestion)
[INFO] [stderr] warning: `akita_core` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p akita_core --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/akita_core-da1f5cfe892ee18d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test value::test_serialize ... ok
[INFO] [stdout] test snowflake::test_snowflake ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests akita_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/macros.rs - macros::params (line 351) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c82afdb860fe5c6b506e650486308a5cfb009d08f891e6618e0c93b644b567f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c82afdb860fe5c6b506e650486308a5cfb009d08f891e6618e0c93b644b567f", kill_on_drop: false }`
[INFO] [stdout] 9c82afdb860fe5c6b506e650486308a5cfb009d08f891e6618e0c93b644b567f