[INFO] cloning repository https://github.com/hrittik444/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrittik444/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrittik444%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrittik444%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffb9352c6524f0e0d193a15b8f58738f14fa2355 [INFO] testing hrittik444/learn-rust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrittik444%2Flearn-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hrittik444/learn-rust 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 git repo https://github.com/hrittik444/learn-rust [INFO] finished tweaking git repo https://github.com/hrittik444/learn-rust [INFO] tweaked toml for git repo https://github.com/hrittik444/learn-rust written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/hrittik444/learn-rust already has a lockfile, it will not be regenerated [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1c0bcbc94214bf43f5accdfaf00e319ef10b1bb1644e9db88fb9a4411008f561 [INFO] running `Command { std: "docker" "start" "-a" "1c0bcbc94214bf43f5accdfaf00e319ef10b1bb1644e9db88fb9a4411008f561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c0bcbc94214bf43f5accdfaf00e319ef10b1bb1644e9db88fb9a4411008f561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c0bcbc94214bf43f5accdfaf00e319ef10b1bb1644e9db88fb9a4411008f561", kill_on_drop: false }` [INFO] [stdout] 1c0bcbc94214bf43f5accdfaf00e319ef10b1bb1644e9db88fb9a4411008f561 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 67169dc5c4cb3c1f004ca61a6e92ac5e095bd3ebdb83623907cbb2c8df1ee5b6 [INFO] running `Command { std: "docker" "start" "-a" "67169dc5c4cb3c1f004ca61a6e92ac5e095bd3ebdb83623907cbb2c8df1ee5b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling basics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tr/tr.rs:230:21 [INFO] [stdout] | [INFO] [stdout] 230 | fn print_it_two(z: &Printable) { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 - fn print_it_two(z: &Printable) { [INFO] [stdout] 230 + fn print_it_two(z: &dyn Printable) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tr/tr.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | let mut b = Complex::new(3.0, 4.0); [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 3.34s [INFO] running `Command { std: "docker" "inspect" "67169dc5c4cb3c1f004ca61a6e92ac5e095bd3ebdb83623907cbb2c8df1ee5b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67169dc5c4cb3c1f004ca61a6e92ac5e095bd3ebdb83623907cbb2c8df1ee5b6", kill_on_drop: false }` [INFO] [stdout] 67169dc5c4cb3c1f004ca61a6e92ac5e095bd3ebdb83623907cbb2c8df1ee5b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b5ba6b0c23db2df2ce69a26984dbc08705fe00d17ef29d4f57a88f8b9186796f [INFO] running `Command { std: "docker" "start" "-a" "b5ba6b0c23db2df2ce69a26984dbc08705fe00d17ef29d4f57a88f8b9186796f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling basics v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tr/tr.rs:230:21 [INFO] [stdout] | [INFO] [stdout] 230 | fn print_it_two(z: &Printable) { [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 230 - fn print_it_two(z: &Printable) { [INFO] [stdout] 230 + fn print_it_two(z: &dyn Printable) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/tr/tr.rs:200:9 [INFO] [stdout] | [INFO] [stdout] 200 | let mut b = Complex::new(3.0, 4.0); [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 10.73s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/basics-28869474f7b10b70) [INFO] running `Command { std: "docker" "inspect" "b5ba6b0c23db2df2ce69a26984dbc08705fe00d17ef29d4f57a88f8b9186796f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5ba6b0c23db2df2ce69a26984dbc08705fe00d17ef29d4f57a88f8b9186796f", kill_on_drop: false }` [INFO] [stdout] b5ba6b0c23db2df2ce69a26984dbc08705fe00d17ef29d4f57a88f8b9186796f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 769d672bc071f2c27459eb766425d944c240c6201e75968fc9a5b5ee10fb3154 [INFO] running `Command { std: "docker" "start" "-a" "769d672bc071f2c27459eb766425d944c240c6201e75968fc9a5b5ee10fb3154", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/tr/tr.rs:230:21 [INFO] [stderr] | [INFO] [stderr] 230 | fn print_it_two(z: &Printable) { [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 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 230 - fn print_it_two(z: &Printable) { [INFO] [stderr] 230 + fn print_it_two(z: &dyn Printable) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tr/tr.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | let mut b = Complex::new(3.0, 4.0); [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: `basics` (bin "basics" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/basics-28869474f7b10b70) [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" "769d672bc071f2c27459eb766425d944c240c6201e75968fc9a5b5ee10fb3154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "769d672bc071f2c27459eb766425d944c240c6201e75968fc9a5b5ee10fb3154", kill_on_drop: false }` [INFO] [stdout] 769d672bc071f2c27459eb766425d944c240c6201e75968fc9a5b5ee10fb3154