[INFO] fetching crate kvr 0.3.0... [INFO] testing kvr-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate kvr 0.3.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate kvr 0.3.0 [INFO] finished tweaking crates.io crate kvr 0.3.0 [INFO] tweaked toml for crates.io crate kvr 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kvr 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate kvr 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 307fef4f1af2e308d1bf2aed61a99397187cdf65597677c91db065c85fec7256 [INFO] running `Command { std: "docker" "start" "-a" "307fef4f1af2e308d1bf2aed61a99397187cdf65597677c91db065c85fec7256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "307fef4f1af2e308d1bf2aed61a99397187cdf65597677c91db065c85fec7256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "307fef4f1af2e308d1bf2aed61a99397187cdf65597677c91db065c85fec7256", kill_on_drop: false }` [INFO] [stdout] 307fef4f1af2e308d1bf2aed61a99397187cdf65597677c91db065c85fec7256 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bd895201016b27a30cb0e8a583980793fac222ef4b19a7308dabfaf35381d06 [INFO] running `Command { std: "docker" "start" "-a" "8bd895201016b27a30cb0e8a583980793fac222ef4b19a7308dabfaf35381d06", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.7.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling ulid v0.4.1 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling kvr v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `historical_entries` is never read [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct KeyValueRevision { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `prev_rev` and `value` are never read [INFO] [stdout] --> src/data.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub(crate) struct ValueWithPrevRevRef { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 37 | pub(crate) prev_rev: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 38 | pub(crate) value: V, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvr.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let x = KeyValueRevision::::try_init("example.db", true) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/kvr.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | InitializationError(KVRInitializationError), [INFO] [stdout] | ------------------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `KVRMainError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 - InitializationError(KVRInitializationError), [INFO] [stdout] 25 + InitializationError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.14s [INFO] running `Command { std: "docker" "inspect" "8bd895201016b27a30cb0e8a583980793fac222ef4b19a7308dabfaf35381d06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bd895201016b27a30cb0e8a583980793fac222ef4b19a7308dabfaf35381d06", kill_on_drop: false }` [INFO] [stdout] 8bd895201016b27a30cb0e8a583980793fac222ef4b19a7308dabfaf35381d06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94cbcae2264c0fb2ead9f2ab432099aa6934ee0058ad40aa99a651d4a2776138 [INFO] running `Command { std: "docker" "start" "-a" "94cbcae2264c0fb2ead9f2ab432099aa6934ee0058ad40aa99a651d4a2776138", kill_on_drop: false }` [INFO] [stdout] warning: field `historical_entries` is never read [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct KeyValueRevision { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `prev_rev` and `value` are never read [INFO] [stdout] --> src/data.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub(crate) struct ValueWithPrevRevRef { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 37 | pub(crate) prev_rev: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 38 | pub(crate) value: V, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling kvr v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/kvr.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let x = KeyValueRevision::::try_init("example.db", true) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/kvr.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | InitializationError(KVRInitializationError), [INFO] [stdout] | ------------------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `KVRMainError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 25 - InitializationError(KVRInitializationError), [INFO] [stdout] 25 + InitializationError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `historical_entries` is never read [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct KeyValueRevision { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `prev_rev` and `value` are never read [INFO] [stdout] --> src/data.rs:37:16 [INFO] [stdout] | [INFO] [stdout] 36 | pub(crate) struct ValueWithPrevRevRef { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 37 | pub(crate) prev_rev: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 38 | pub(crate) value: V, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "94cbcae2264c0fb2ead9f2ab432099aa6934ee0058ad40aa99a651d4a2776138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94cbcae2264c0fb2ead9f2ab432099aa6934ee0058ad40aa99a651d4a2776138", kill_on_drop: false }` [INFO] [stdout] 94cbcae2264c0fb2ead9f2ab432099aa6934ee0058ad40aa99a651d4a2776138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 61a4946d3c9e8618e82235e2ed4509c2835f62f7b1709aac6dae9e179d8b9248 [INFO] running `Command { std: "docker" "start" "-a" "61a4946d3c9e8618e82235e2ed4509c2835f62f7b1709aac6dae9e179d8b9248", kill_on_drop: false }` [INFO] [stderr] warning: field `historical_entries` is never read [INFO] [stderr] --> src/lib.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 21 | pub struct KeyValueRevision { [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 24 | historical_entries: BTreeMap, ValueWithPrevRevRef>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `prev_rev` and `value` are never read [INFO] [stderr] --> src/data.rs:37:16 [INFO] [stderr] | [INFO] [stderr] 36 | pub(crate) struct ValueWithPrevRevRef { [INFO] [stderr] | ------------------- fields in this struct [INFO] [stderr] 37 | pub(crate) prev_rev: Option, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 38 | pub(crate) value: V, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `kvr` (lib) generated 2 warnings [INFO] [stderr] warning: `kvr` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/kvr.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let x = KeyValueRevision::::try_init("example.db", true) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/bin/kvr.rs:25:25 [INFO] [stderr] | [INFO] [stderr] 25 | InitializationError(KVRInitializationError), [INFO] [stderr] | ------------------- ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `KVRMainError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 25 - InitializationError(KVRInitializationError), [INFO] [stderr] 25 + InitializationError(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `kvr` (bin "kvr" test) generated 2 warnings (run `cargo fix --bin "kvr" -p kvr --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kvr-1c43b427630dc302) [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] Running unittests src/bin/kvr.rs (/opt/rustwide/target/debug/deps/kvr-de948fb8da11a853) [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 kvr [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] running `Command { std: "docker" "inspect" "61a4946d3c9e8618e82235e2ed4509c2835f62f7b1709aac6dae9e179d8b9248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a4946d3c9e8618e82235e2ed4509c2835f62f7b1709aac6dae9e179d8b9248", kill_on_drop: false }` [INFO] [stdout] 61a4946d3c9e8618e82235e2ed4509c2835f62f7b1709aac6dae9e179d8b9248