[INFO] cloning repository https://github.com/fal-works/rust-practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fal-works/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b22b6a8a9e5dee6e57755da1345467214e186a8 [INFO] testing fal-works/rust-practice against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffal-works%2Frust-practice" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fal-works/rust-practice on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fal-works/rust-practice [INFO] finished tweaking git repo https://github.com/fal-works/rust-practice [INFO] tweaked toml for git repo https://github.com/fal-works/rust-practice written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/fal-works/rust-practice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a721215a2b3ac5a247c3ac6d092b24e00b4510105293213dd6fde2e45b55841c [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" "a721215a2b3ac5a247c3ac6d092b24e00b4510105293213dd6fde2e45b55841c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a721215a2b3ac5a247c3ac6d092b24e00b4510105293213dd6fde2e45b55841c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a721215a2b3ac5a247c3ac6d092b24e00b4510105293213dd6fde2e45b55841c", kill_on_drop: false }` [INFO] [stdout] a721215a2b3ac5a247c3ac6d092b24e00b4510105293213dd6fde2e45b55841c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9785a97067d5af22914b6334f238b24e7411e15880f3b48600d6f2c84b145b6e [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" "9785a97067d5af22914b6334f238b24e7411e15880f3b48600d6f2c84b145b6e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:3:65 [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stdout] 3 + fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "9785a97067d5af22914b6334f238b24e7411e15880f3b48600d6f2c84b145b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9785a97067d5af22914b6334f238b24e7411e15880f3b48600d6f2c84b145b6e", kill_on_drop: false }` [INFO] [stdout] 9785a97067d5af22914b6334f238b24e7411e15880f3b48600d6f2c84b145b6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bca0f9662861259c0bf3682da46bf64420f6aca7e3ffb2b67e60e03e7ff3be05 [INFO] running `Command { std: "docker" "start" "-a" "bca0f9662861259c0bf3682da46bf64420f6aca7e3ffb2b67e60e03e7ff3be05", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:3:65 [INFO] [stdout] | [INFO] [stdout] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stdout] 3 + fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.11s [INFO] running `Command { std: "docker" "inspect" "bca0f9662861259c0bf3682da46bf64420f6aca7e3ffb2b67e60e03e7ff3be05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bca0f9662861259c0bf3682da46bf64420f6aca7e3ffb2b67e60e03e7ff3be05", kill_on_drop: false }` [INFO] [stdout] bca0f9662861259c0bf3682da46bf64420f6aca7e3ffb2b67e60e03e7ff3be05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 55909807422da878a8adcbdbda355febf26939db680f244cd7a887ea2e3cfb2f [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" "55909807422da878a8adcbdbda355febf26939db680f244cd7a887ea2e3cfb2f", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:3:65 [INFO] [stderr] | [INFO] [stderr] 3 | fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [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] 3 - fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &Fn(T, char) -> T) -> T { [INFO] [stderr] 3 + fn scan(s: &mut StdinLock, initial_value: T, fold_callback: &dyn Fn(T, char) -> T) -> T { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rust-practice` (bin "rust-practice" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_practice-fc54f9b290a6fe4e) [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" "55909807422da878a8adcbdbda355febf26939db680f244cd7a887ea2e3cfb2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55909807422da878a8adcbdbda355febf26939db680f244cd7a887ea2e3cfb2f", kill_on_drop: false }` [INFO] [stdout] 55909807422da878a8adcbdbda355febf26939db680f244cd7a887ea2e3cfb2f