[INFO] cloning repository https://github.com/sam-myers/sumplete [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-myers/sumplete" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fsumplete", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fsumplete'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 759cb56fc9f4b6d54ea76e1c8a158f77f932d930 [INFO] checking sam-myers/sumplete against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fsumplete" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sam-myers/sumplete 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/sam-myers/sumplete [INFO] finished tweaking git repo https://github.com/sam-myers/sumplete [INFO] tweaked toml for git repo https://github.com/sam-myers/sumplete written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sam-myers/sumplete 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] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.26 [INFO] [stderr] Downloaded bitmaps v3.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 28aef5353b32fcd5227f44aab966b453c8a9483edea6423e3089e8839200310f [INFO] running `Command { std: "docker" "start" "-a" "28aef5353b32fcd5227f44aab966b453c8a9483edea6423e3089e8839200310f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28aef5353b32fcd5227f44aab966b453c8a9483edea6423e3089e8839200310f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28aef5353b32fcd5227f44aab966b453c8a9483edea6423e3089e8839200310f", kill_on_drop: false }` [INFO] [stdout] 28aef5353b32fcd5227f44aab966b453c8a9483edea6423e3089e8839200310f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6490f35151604297312a3037bdf87534232c48df2cf0886f3cc3b6a1bd7c3ec5 [INFO] running `Command { std: "docker" "start" "-a" "6490f35151604297312a3037bdf87534232c48df2cf0886f3cc3b6a1bd7c3ec5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling time-core v0.1.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking bitmaps v3.2.0 [INFO] [stderr] Compiling time-macros v0.2.8 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking crossbeam-channel v0.5.7 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking time v0.3.20 [INFO] [stderr] Checking slog-term v2.9.0 [INFO] [stderr] Checking sumplete v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/cell.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/cell_status.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sum_max`, `sum_of_selection`, and `fmt_selection` are never used [INFO] [stdout] --> src/cell_group.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl CellGroup { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn sum_max(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn sum_of_selection(&self, selection: &CellSelection) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fmt_selection(&self, selection: &CellSelection) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Column` is never constructed [INFO] [stdout] --> src/cell_group_location.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum CellGroupLocation { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 5 | Row(usize), [INFO] [stdout] 6 | Column(usize), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CellGroupLocation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sum_max`, `sum_of_selection`, and `fmt_selection` are never used [INFO] [stdout] --> src/cell_group.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl CellGroup { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn sum_max(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn sum_of_selection(&self, selection: &CellSelection) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fmt_selection(&self, selection: &CellSelection) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Column` is never constructed [INFO] [stdout] --> src/cell_group_location.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum CellGroupLocation { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 5 | Row(usize), [INFO] [stdout] 6 | Column(usize), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CellGroupLocation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.76s [INFO] running `Command { std: "docker" "inspect" "6490f35151604297312a3037bdf87534232c48df2cf0886f3cc3b6a1bd7c3ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6490f35151604297312a3037bdf87534232c48df2cf0886f3cc3b6a1bd7c3ec5", kill_on_drop: false }` [INFO] [stdout] 6490f35151604297312a3037bdf87534232c48df2cf0886f3cc3b6a1bd7c3ec5 [INFO] checking sam-myers/sumplete against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-myers%2Fsumplete" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sam-myers/sumplete on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sam-myers/sumplete [INFO] finished tweaking git repo https://github.com/sam-myers/sumplete [INFO] tweaked toml for git repo https://github.com/sam-myers/sumplete written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sam-myers/sumplete 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 984bc0db83c1a3c6a57a14c556d9fb2afd9a92577634324f8e55ca5954d96425 [INFO] running `Command { std: "docker" "start" "-a" "984bc0db83c1a3c6a57a14c556d9fb2afd9a92577634324f8e55ca5954d96425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "984bc0db83c1a3c6a57a14c556d9fb2afd9a92577634324f8e55ca5954d96425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "984bc0db83c1a3c6a57a14c556d9fb2afd9a92577634324f8e55ca5954d96425", kill_on_drop: false }` [INFO] [stdout] 984bc0db83c1a3c6a57a14c556d9fb2afd9a92577634324f8e55ca5954d96425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 727932850c9bc2dc1bbe88f3601a26b809f70ee5f060e6c3a97f7aac61c7dda8 [INFO] running `Command { std: "docker" "start" "-a" "727932850c9bc2dc1bbe88f3601a26b809f70ee5f060e6c3a97f7aac61c7dda8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Compiling time-core v0.1.0 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking bitmaps v3.2.0 [INFO] [stderr] Compiling time-macros v0.2.8 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking crossbeam-channel v0.5.7 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking time v0.3.20 [INFO] [stderr] Checking slog-term v2.9.0 [INFO] [stderr] Checking sumplete v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/cell.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/cell_status.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sum_max`, `sum_of_selection`, and `fmt_selection` are never used [INFO] [stdout] --> src/cell_group.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl CellGroup { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn sum_max(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn sum_of_selection(&self, selection: &CellSelection) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fmt_selection(&self, selection: &CellSelection) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Column` is never constructed [INFO] [stdout] --> src/cell_group_location.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum CellGroupLocation { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 5 | Row(usize), [INFO] [stdout] 6 | Column(usize), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CellGroupLocation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sum_max`, `sum_of_selection`, and `fmt_selection` are never used [INFO] [stdout] --> src/cell_group.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 18 | impl CellGroup { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn sum_max(&self) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn sum_of_selection(&self, selection: &CellSelection) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fmt_selection(&self, selection: &CellSelection) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Column` is never constructed [INFO] [stdout] --> src/cell_group_location.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum CellGroupLocation { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 5 | Row(usize), [INFO] [stdout] 6 | Column(usize), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CellGroupLocation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s [INFO] running `Command { std: "docker" "inspect" "727932850c9bc2dc1bbe88f3601a26b809f70ee5f060e6c3a97f7aac61c7dda8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "727932850c9bc2dc1bbe88f3601a26b809f70ee5f060e6c3a97f7aac61c7dda8", kill_on_drop: false }` [INFO] [stdout] 727932850c9bc2dc1bbe88f3601a26b809f70ee5f060e6c3a97f7aac61c7dda8