[INFO] fetching crate pubsub 0.2.3... [INFO] testing pubsub-0.2.3 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate pubsub 0.2.3 into /workspace/builds/worker-36/source [INFO] validating manifest of crates.io crate pubsub 0.2.3 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pubsub 0.2.3 [INFO] finished tweaking crates.io crate pubsub 0.2.3 [INFO] tweaked toml for crates.io crate pubsub 0.2.3 written to /workspace/builds/worker-36/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60c0c2cddbbf25a671cc9b5c500ba2713443cfc592034d788961d5e71942586d [INFO] running `Command { std: "docker" "start" "-a" "60c0c2cddbbf25a671cc9b5c500ba2713443cfc592034d788961d5e71942586d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60c0c2cddbbf25a671cc9b5c500ba2713443cfc592034d788961d5e71942586d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60c0c2cddbbf25a671cc9b5c500ba2713443cfc592034d788961d5e71942586d", kill_on_drop: false }` [INFO] [stdout] 60c0c2cddbbf25a671cc9b5c500ba2713443cfc592034d788961d5e71942586d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bbbea4eb32b17c8506d563829cfd619e21edcc28c0e6962e0ade16ea185765d [INFO] running `Command { std: "docker" "start" "-a" "5bbbea4eb32b17c8506d563829cfd619e21edcc28c0e6962e0ade16ea185765d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling threadpool v0.1.4 [INFO] [stderr] Compiling pubsub v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | func: Option>>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - func: Option>>> [INFO] [stdout] 52 + func: Option>>> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:192:10 [INFO] [stdout] | [INFO] [stdout] 192 | let mut func = guard.deref_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "5bbbea4eb32b17c8506d563829cfd619e21edcc28c0e6962e0ade16ea185765d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bbbea4eb32b17c8506d563829cfd619e21edcc28c0e6962e0ade16ea185765d", kill_on_drop: false }` [INFO] [stdout] 5bbbea4eb32b17c8506d563829cfd619e21edcc28c0e6962e0ade16ea185765d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c77534ce8dbdee0a22d197beaf498f7e8cfd84f2c925d68872acdd59e89a122c [INFO] running `Command { std: "docker" "start" "-a" "c77534ce8dbdee0a22d197beaf498f7e8cfd84f2c925d68872acdd59e89a122c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pubsub v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | func: Option>>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - func: Option>>> [INFO] [stdout] 52 + func: Option>>> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:192:10 [INFO] [stdout] | [INFO] [stdout] 192 | let mut func = guard.deref_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | func: Option>>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 52 - func: Option>>> [INFO] [stdout] 52 + func: Option>>> [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:192:10 [INFO] [stdout] | [INFO] [stdout] 192 | let mut func = guard.deref_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.65s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pubsub-e9306f201240c5dd) [INFO] running `Command { std: "docker" "inspect" "c77534ce8dbdee0a22d197beaf498f7e8cfd84f2c925d68872acdd59e89a122c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c77534ce8dbdee0a22d197beaf498f7e8cfd84f2c925d68872acdd59e89a122c", kill_on_drop: false }` [INFO] [stdout] c77534ce8dbdee0a22d197beaf498f7e8cfd84f2c925d68872acdd59e89a122c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2e4ffc78fc3de25474359e73cac2a605d74805d6749906824378b6cfb3ca9de9 [INFO] running `Command { std: "docker" "start" "-a" "2e4ffc78fc3de25474359e73cac2a605d74805d6749906824378b6cfb3ca9de9", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:52:29 [INFO] [stderr] | [INFO] [stderr] 52 | func: Option>>> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 52 - func: Option>>> [INFO] [stderr] 52 + func: Option>>> [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:192:10 [INFO] [stderr] | [INFO] [stderr] 192 | let mut func = guard.deref_mut(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `pubsub` (lib) generated 2 warnings [INFO] [stderr] warning: `pubsub` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pubsub-e9306f201240c5dd) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test::notify_exception ... ok [INFO] [stdout] test test::lazy_subscribe ... ok [INFO] [stdout] test test::basic_test ... ok [INFO] [stderr] Doc-tests pubsub [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.50s [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" "2e4ffc78fc3de25474359e73cac2a605d74805d6749906824378b6cfb3ca9de9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e4ffc78fc3de25474359e73cac2a605d74805d6749906824378b6cfb3ca9de9", kill_on_drop: false }` [INFO] [stdout] 2e4ffc78fc3de25474359e73cac2a605d74805d6749906824378b6cfb3ca9de9