[INFO] fetching crate more-changetoken 2.0.0... [INFO] testing more-changetoken-2.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate more-changetoken 2.0.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate more-changetoken 2.0.0 [INFO] finished tweaking crates.io crate more-changetoken 2.0.0 [INFO] tweaked toml for crates.io crate more-changetoken 2.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate more-changetoken 2.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages to latest compatible versions [INFO] [stderr] Adding notify v6.1.1 (available: v8.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5d98e83be2c17416871b79a617265a7d857d975289207eacf54665490a6ac74 [INFO] running `Command { std: "docker" "start" "-a" "a5d98e83be2c17416871b79a617265a7d857d975289207eacf54665490a6ac74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5d98e83be2c17416871b79a617265a7d857d975289207eacf54665490a6ac74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5d98e83be2c17416871b79a617265a7d857d975289207eacf54665490a6ac74", kill_on_drop: false }` [INFO] [stdout] a5d98e83be2c17416871b79a617265a7d857d975289207eacf54665490a6ac74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de130f1c60b703073223aa68d392fd08537affacc2359f241abe7b66953aa618 [INFO] running `Command { std: "docker" "start" "-a" "de130f1c60b703073223aa68d392fd08537affacc2359f241abe7b66953aa618", kill_on_drop: false }` [INFO] [stderr] Compiling more-changetoken v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/global.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 102 | struct SubscriptionImpl( [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 103 | Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/token.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Registration(CallbackRef); [INFO] [stdout] | ------------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "de130f1c60b703073223aa68d392fd08537affacc2359f241abe7b66953aa618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de130f1c60b703073223aa68d392fd08537affacc2359f241abe7b66953aa618", kill_on_drop: false }` [INFO] [stdout] de130f1c60b703073223aa68d392fd08537affacc2359f241abe7b66953aa618 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 00fc1c6771cc4c0a26126edf84f6e2701780904cc30034c0c58834943145e9c6 [INFO] running `Command { std: "docker" "start" "-a" "00fc1c6771cc4c0a26126edf84f6e2701780904cc30034c0c58834943145e9c6", kill_on_drop: false }` [INFO] [stderr] Compiling more-changetoken v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/global.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 102 | struct SubscriptionImpl( [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 103 | Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/token.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Registration(CallbackRef); [INFO] [stdout] | ------------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/global.rs:103:5 [INFO] [stdout] | [INFO] [stdout] 102 | struct SubscriptionImpl( [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 103 | Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/token.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct Registration(CallbackRef); [INFO] [stdout] | ------------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "00fc1c6771cc4c0a26126edf84f6e2701780904cc30034c0c58834943145e9c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00fc1c6771cc4c0a26126edf84f6e2701780904cc30034c0c58834943145e9c6", kill_on_drop: false }` [INFO] [stdout] 00fc1c6771cc4c0a26126edf84f6e2701780904cc30034c0c58834943145e9c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9c5f3bc0ccc4cf612b1c984a3843c65895644332f7219b32ea296447354fc0bb [INFO] running `Command { std: "docker" "start" "-a" "9c5f3bc0ccc4cf612b1c984a3843c65895644332f7219b32ea296447354fc0bb", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/global.rs:103:5 [INFO] [stderr] | [INFO] [stderr] 102 | struct SubscriptionImpl( [INFO] [stderr] | ---------------- field in this struct [INFO] [stderr] 103 | Arc>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/token.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | pub struct Registration(CallbackRef); [INFO] [stderr] | ------------ ^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] [INFO] [stderr] warning: `more-changetoken` (lib) generated 2 warnings [INFO] [stderr] warning: `more-changetoken` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokens-457e90d3a75368ca) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test composite::tests::changed_should_be_true_if_ever_notified ... ok [INFO] [stdout] test composite::tests::changed_should_be_false_when_no_changes_have_occurred ... ok [INFO] [stdout] test composite::tests::child_should_not_trigger_callbacks_multiple_times ... ok [INFO] [stdout] test composite::tests::child_should_trigger_parent_callbacks ... ok [INFO] [stdout] test default::tests::default_change_token_should_be_unchanged ... ok [INFO] [stdout] test default::tests::default_change_token_should_invoke_callback_multiple_times ... ok [INFO] [stdout] test composite::tests::changed_should_be_true_if_child_has_changed ... ok [INFO] [stdout] test composite::tests::must_poll_should_be_true_all_tokens_do_not_support_callbacks ... ok [INFO] [stdout] test composite::tests::must_poll_should_be_false_if_at_least_one_token_supports_callbacks ... ok [INFO] [stderr] Doc-tests tokens [INFO] [stdout] test global::tests::changed_should_not_signal_consumer_after_registration_is_dropped ... ok [INFO] [stdout] test default::tests::default_change_token_should_invoke_callback ... ok [INFO] [stdout] test single::tests::single_change_token_should_be_unchanged ... ok [INFO] [stdout] test single::tests::single_change_token_should_invoke_callback ... ok [INFO] [stdout] test single::tests::single_change_token_should_not_invoke_callback_more_than_once ... ok [INFO] [stdout] test single::tests::single_change_token_should_be_changed ... ok [INFO] [stdout] test global::tests::changed_should_signal_consumer ... ok [INFO] [stdout] test composite::tests::notify_should_not_trigger_callbacks_multiple_times ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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] running `Command { std: "docker" "inspect" "9c5f3bc0ccc4cf612b1c984a3843c65895644332f7219b32ea296447354fc0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c5f3bc0ccc4cf612b1c984a3843c65895644332f7219b32ea296447354fc0bb", kill_on_drop: false }` [INFO] [stdout] 9c5f3bc0ccc4cf612b1c984a3843c65895644332f7219b32ea296447354fc0bb