[INFO] cloning repository https://github.com/jakobbeckmann/chans_algorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakobbeckmann/chans_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fef9a303f1fd0c2b000af908aff6f956aa224784 [INFO] checking jakobbeckmann/chans_algorithm against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakobbeckmann/chans_algorithm on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] finished tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] tweaked toml for git repo https://github.com/jakobbeckmann/chans_algorithm written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jakobbeckmann/chans_algorithm already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.2.0 [INFO] [stderr] Downloaded serde v1.0.16 [INFO] [stderr] Downloaded num-traits v0.1.40 [INFO] [stderr] Downloaded serde_yaml v0.7.1 [INFO] [stderr] Downloaded antidote v1.0.0 [INFO] [stderr] Downloaded memchr v1.0.2 [INFO] [stderr] Downloaded csv-core v0.1.3 [INFO] [stderr] Downloaded num-iter v0.1.34 [INFO] [stderr] Downloaded num v0.1.40 [INFO] [stderr] Downloaded flate2 v0.2.20 [INFO] [stderr] Downloaded log v0.3.8 [INFO] [stderr] Downloaded libc v0.2.32 [INFO] [stderr] Downloaded redox_syscall v0.1.31 [INFO] [stderr] Downloaded csv v1.0.0-beta.5 [INFO] [stderr] Downloaded chrono v0.3.0 [INFO] [stderr] Downloaded miniz-sys v0.1.10 [INFO] [stderr] Downloaded serde_json v1.0.4 [INFO] [stderr] Downloaded time v0.1.38 [INFO] [stderr] Downloaded crossbeam v0.2.10 [INFO] [stderr] Downloaded linked-hash-map v0.4.2 [INFO] [stderr] Downloaded cc v1.0.2 [INFO] [stderr] Downloaded humantime v1.0.0 [INFO] [stderr] Downloaded unreachable v0.1.1 [INFO] [stderr] Downloaded ordered-float v0.5.0 [INFO] [stderr] Downloaded serde-value v0.5.1 [INFO] [stderr] Downloaded serde_derive v1.0.16 [INFO] [stderr] Downloaded itoa v0.3.4 [INFO] [stderr] Downloaded num-integer v0.1.35 [INFO] [stderr] Downloaded serde_derive_internals v0.16.0 [INFO] [stderr] Downloaded dtoa v0.4.2 [INFO] [stderr] Downloaded fnv v1.0.5 [INFO] [stderr] Downloaded log4rs v0.7.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.2.1 [INFO] [stderr] Downloaded rand v0.3.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f31e40bb231b03cc27dcf6982948665be1854c14b7733c9f311d4470ecc15343 [INFO] running `Command { std: "docker" "start" "-a" "f31e40bb231b03cc27dcf6982948665be1854c14b7733c9f311d4470ecc15343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f31e40bb231b03cc27dcf6982948665be1854c14b7733c9f311d4470ecc15343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f31e40bb231b03cc27dcf6982948665be1854c14b7733c9f311d4470ecc15343", kill_on_drop: false }` [INFO] [stdout] f31e40bb231b03cc27dcf6982948665be1854c14b7733c9f311d4470ecc15343 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0447d9ff36639170d59e26722da8112794a85481a4e4a26fb2bbd2d5771a839b [INFO] running `Command { std: "docker" "start" "-a" "0447d9ff36639170d59e26722da8112794a85481a4e4a26fb2bbd2d5771a839b", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Compiling cc v1.0.2 [INFO] [stderr] Checking serde v1.0.16 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking csv-core v0.1.3 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking humantime v1.0.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking fnv v1.0.5 [INFO] [stderr] Checking crossbeam v0.2.10 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Compiling serde_derive v1.0.16 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking serde-value v0.5.1 [INFO] [stderr] Checking serde_json v1.0.4 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking log4rs v0.7.0 [INFO] [stderr] Checking chan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/io.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use csv; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate csv; [INFO] [stdout] | ----------------- the item `csv` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/io.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/io.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use csv; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate csv; [INFO] [stdout] | ----------------- the item `csv` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/io.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/util/chan.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] running `Command { std: "docker" "inspect" "0447d9ff36639170d59e26722da8112794a85481a4e4a26fb2bbd2d5771a839b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0447d9ff36639170d59e26722da8112794a85481a4e4a26fb2bbd2d5771a839b", kill_on_drop: false }` [INFO] [stdout] 0447d9ff36639170d59e26722da8112794a85481a4e4a26fb2bbd2d5771a839b [INFO] checking jakobbeckmann/chans_algorithm against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakobbeckmann%2Fchans_algorithm" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakobbeckmann/chans_algorithm on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] finished tweaking git repo https://github.com/jakobbeckmann/chans_algorithm [INFO] tweaked toml for git repo https://github.com/jakobbeckmann/chans_algorithm written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jakobbeckmann/chans_algorithm already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4846e2e2512d6323b338df41879abf7a065c60f0a92381877772456ef1007feb [INFO] running `Command { std: "docker" "start" "-a" "4846e2e2512d6323b338df41879abf7a065c60f0a92381877772456ef1007feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4846e2e2512d6323b338df41879abf7a065c60f0a92381877772456ef1007feb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4846e2e2512d6323b338df41879abf7a065c60f0a92381877772456ef1007feb", kill_on_drop: false }` [INFO] [stdout] 4846e2e2512d6323b338df41879abf7a065c60f0a92381877772456ef1007feb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e95e7634f06c1c9f9123b90b2105eb04493d504c2aa9d2d109fa5834c806892 [INFO] running `Command { std: "docker" "start" "-a" "0e95e7634f06c1c9f9123b90b2105eb04493d504c2aa9d2d109fa5834c806892", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Compiling cc v1.0.2 [INFO] [stderr] Checking serde v1.0.16 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking linked-hash-map v0.4.2 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Checking humantime v1.0.0 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking csv-core v0.1.3 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking ordered-float v0.5.0 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking fnv v1.0.5 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking crossbeam v0.2.10 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Checking chrono v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.16 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking serde-value v0.5.1 [INFO] [stderr] Checking serde_json v1.0.4 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking log4rs v0.7.0 [INFO] [stderr] Checking chan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/io.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use csv; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate csv; [INFO] [stdout] | ----------------- the item `csv` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/io.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/util/chan.rs:147:9 [INFO] [stdout] | [INFO] [stdout] 147 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `csv` is imported redundantly [INFO] [stdout] --> src/io.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use csv; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate csv; [INFO] [stdout] | ----------------- the item `csv` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `rand` is imported redundantly [INFO] [stdout] --> src/io.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use rand; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | extern crate rand; [INFO] [stdout] | ------------------ the item `rand` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/util/chan.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | for idx in 0..parallelism { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:84:13 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(file, "{},{}", x, y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | writeln!(file, "{},{}", "x value", "y value"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/io.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | writeln!(file, "{},{}", point.x, point.y); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `hull` is never read [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut hull: Vec = Vec::with_capacity(1_000_000); // TODO: this could be made smaller maybe [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "0e95e7634f06c1c9f9123b90b2105eb04493d504c2aa9d2d109fa5834c806892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e95e7634f06c1c9f9123b90b2105eb04493d504c2aa9d2d109fa5834c806892", kill_on_drop: false }` [INFO] [stdout] 0e95e7634f06c1c9f9123b90b2105eb04493d504c2aa9d2d109fa5834c806892