[INFO] cloning repository https://github.com/ahouts/math166-assignment1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahouts/math166-assignment1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e83adcbbbd1826d4baf2281479c4f06269b41d2 [INFO] testing ahouts/math166-assignment1 against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahouts%2Fmath166-assignment1" "/workspace/builds/worker-108/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ahouts/math166-assignment1 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ahouts/math166-assignment1 [INFO] finished tweaking git repo https://github.com/ahouts/math166-assignment1 [INFO] tweaked toml for git repo https://github.com/ahouts/math166-assignment1 written to /workspace/builds/worker-108/source/Cargo.toml [INFO] crate git repo https://github.com/ahouts/math166-assignment1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2590fb55d778e886a68f8b406bc1854119a416a2c5d58a1766d87849774fd0ad [INFO] running `Command { std: "docker" "start" "-a" "2590fb55d778e886a68f8b406bc1854119a416a2c5d58a1766d87849774fd0ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2590fb55d778e886a68f8b406bc1854119a416a2c5d58a1766d87849774fd0ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2590fb55d778e886a68f8b406bc1854119a416a2c5d58a1766d87849774fd0ad", kill_on_drop: false }` [INFO] [stdout] 2590fb55d778e886a68f8b406bc1854119a416a2c5d58a1766d87849774fd0ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0340d80e964ad7bc5ee624d69e1a8c4431a2e7f4fcce34ddb38cdb7f4775f991 [INFO] running `Command { std: "docker" "start" "-a" "0340d80e964ad7bc5ee624d69e1a8c4431a2e7f4fcce34ddb38cdb7f4775f991", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling num_cpus v1.10.0 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling assignment1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | f: Box f64 + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | df: Box f64 + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:34:55 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.94s [INFO] running `Command { std: "docker" "inspect" "0340d80e964ad7bc5ee624d69e1a8c4431a2e7f4fcce34ddb38cdb7f4775f991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0340d80e964ad7bc5ee624d69e1a8c4431a2e7f4fcce34ddb38cdb7f4775f991", kill_on_drop: false }` [INFO] [stdout] 0340d80e964ad7bc5ee624d69e1a8c4431a2e7f4fcce34ddb38cdb7f4775f991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c81b7037188116152677d7a3db7e8b87f2f2e601eb6ea67ac3cb2bbe3ae67ea8 [INFO] running `Command { std: "docker" "start" "-a" "c81b7037188116152677d7a3db7e8b87f2f2e601eb6ea67ac3cb2bbe3ae67ea8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling assignment1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 29 | f: Box f64 + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | df: Box f64 + Sync>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/continuous.rs:34:55 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stdout] | [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] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.14s [INFO] running `Command { std: "docker" "inspect" "c81b7037188116152677d7a3db7e8b87f2f2e601eb6ea67ac3cb2bbe3ae67ea8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c81b7037188116152677d7a3db7e8b87f2f2e601eb6ea67ac3cb2bbe3ae67ea8", kill_on_drop: false }` [INFO] [stdout] c81b7037188116152677d7a3db7e8b87f2f2e601eb6ea67ac3cb2bbe3ae67ea8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 59820a3154a3ee62561b47ae5cc140618733508dc932c666a4f4c5fb84b4acf6 [INFO] running `Command { std: "docker" "start" "-a" "59820a3154a3ee62561b47ae5cc140618733508dc932c666a4f4c5fb84b4acf6", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/continuous.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | f: Box f64 + Sync>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [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] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/continuous.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | df: Box f64 + Sync>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stderr] | [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] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/continuous.rs:34:23 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stderr] | [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] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/continuous.rs:34:55 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn new(f: Box f64 + Sync>, df: Box f64 + Sync>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Sync` [INFO] [stderr] | [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] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:34:21 [INFO] [stderr] | [INFO] [stderr] 34 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `assignment1` (bin "assignment1" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/assignment1-f40b83a409bd3b29) [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" "59820a3154a3ee62561b47ae5cc140618733508dc932c666a4f4c5fb84b4acf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59820a3154a3ee62561b47ae5cc140618733508dc932c666a4f4c5fb84b4acf6", kill_on_drop: false }` [INFO] [stdout] 59820a3154a3ee62561b47ae5cc140618733508dc932c666a4f4c5fb84b4acf6