[INFO] fetching crate rcir 0.3.0... [INFO] testing rcir-0.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rcir 0.3.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rcir 0.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rcir 0.3.0 [INFO] finished tweaking crates.io crate rcir 0.3.0 [INFO] tweaked toml for crates.io crate rcir 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1de7abf9d89247d58192b6e860a50431df8d11a3c5c682b88d67a2db146abef [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a1de7abf9d89247d58192b6e860a50431df8d11a3c5c682b88d67a2db146abef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1de7abf9d89247d58192b6e860a50431df8d11a3c5c682b88d67a2db146abef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1de7abf9d89247d58192b6e860a50431df8d11a3c5c682b88d67a2db146abef", kill_on_drop: false }` [INFO] [stdout] a1de7abf9d89247d58192b6e860a50431df8d11a3c5c682b88d67a2db146abef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f8a56a2a3b9677f57688407f1bf700e1ae1303b1553955bd7a3edb9d09adeeb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4f8a56a2a3b9677f57688407f1bf700e1ae1303b1553955bd7a3edb9d09adeeb", kill_on_drop: false }` [INFO] [stderr] Compiling rcir v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:130:32 [INFO] [stdout] | [INFO] [stdout] 130 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:26:25 [INFO] [stdout] | [INFO] [stdout] 26 | let mut vc = round_votes.entry(vote).or_insert(0); [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 0.46s [INFO] running `Command { std: "docker" "inspect" "4f8a56a2a3b9677f57688407f1bf700e1ae1303b1553955bd7a3edb9d09adeeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f8a56a2a3b9677f57688407f1bf700e1ae1303b1553955bd7a3edb9d09adeeb", kill_on_drop: false }` [INFO] [stdout] 4f8a56a2a3b9677f57688407f1bf700e1ae1303b1553955bd7a3edb9d09adeeb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 33c01d578e88da9fe992c5e0773efbcca6c266740b503de813e3705d73134e69 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "33c01d578e88da9fe992c5e0773efbcca6c266740b503de813e3705d73134e69", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:130:32 [INFO] [stdout] | [INFO] [stdout] 130 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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] [INFO] [stdout] [INFO] [stderr] Compiling rcir v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:26:25 [INFO] [stdout] | [INFO] [stdout] 26 | let mut vc = round_votes.entry(vote).or_insert(0); [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:130:32 [INFO] [stdout] | [INFO] [stdout] 130 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:26:25 [INFO] [stdout] | [INFO] [stdout] 26 | let mut vc = round_votes.entry(vote).or_insert(0); [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 1.35s [INFO] running `Command { std: "docker" "inspect" "33c01d578e88da9fe992c5e0773efbcca6c266740b503de813e3705d73134e69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33c01d578e88da9fe992c5e0773efbcca6c266740b503de813e3705d73134e69", kill_on_drop: false }` [INFO] [stdout] 33c01d578e88da9fe992c5e0773efbcca6c266740b503de813e3705d73134e69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fbf01fdbf7bb99f7bdde188c59bb74e19650d798401511e5db6a26506bf7d975 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fbf01fdbf7bb99f7bdde188c59bb74e19650d798401511e5db6a26506bf7d975", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:130:32 [INFO] [stderr] | [INFO] [stderr] 130 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:26:25 [INFO] [stderr] | [INFO] [stderr] 26 | let mut vc = round_votes.entry(vote).or_insert(0); [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: `rcir` (lib) generated 2 warnings [INFO] [stderr] warning: `rcir` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rcir-f120f095cef85289) [INFO] [stdout] running 5 tests [INFO] [stderr] Doc-tests rcir [INFO] [stdout] test tests::minority_majority ... ok [INFO] [stdout] test tests::tie2 ... ok [INFO] [stdout] test tests::tie ... ok [INFO] [stdout] test tests::voters_no_votes ... ok [INFO] [stdout] test tests::basic_run ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [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" "fbf01fdbf7bb99f7bdde188c59bb74e19650d798401511e5db6a26506bf7d975", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbf01fdbf7bb99f7bdde188c59bb74e19650d798401511e5db6a26506bf7d975", kill_on_drop: false }` [INFO] [stdout] fbf01fdbf7bb99f7bdde188c59bb74e19650d798401511e5db6a26506bf7d975