[INFO] cloning repository https://github.com/rogday/superzub [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogday/superzub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogday%2Fsuperzub", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogday%2Fsuperzub'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 05d83094a3edfff70c22a6bcf6dd78d2d889613e [INFO] checking rogday/superzub against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogday%2Fsuperzub" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rogday/superzub [INFO] finished tweaking git repo https://github.com/rogday/superzub [INFO] tweaked toml for git repo https://github.com/rogday/superzub written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rogday/superzub on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rogday/superzub 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking rogday/superzub against try#51de2e90f91fdec6cf64ff542a4e15b9c177a797 for pr-147294 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogday%2Fsuperzub" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rogday/superzub [INFO] finished tweaking git repo https://github.com/rogday/superzub [INFO] tweaked toml for git repo https://github.com/rogday/superzub written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rogday/superzub on toolchain 51de2e90f91fdec6cf64ff542a4e15b9c177a797 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rogday/superzub 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" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fool v0.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 369e05218a743fe113f92ca8f2d16313dc0e1e34c849816690c10ce7ecfb8d5b [INFO] running `Command { std: "docker" "start" "-a" "369e05218a743fe113f92ca8f2d16313dc0e1e34c849816690c10ce7ecfb8d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "369e05218a743fe113f92ca8f2d16313dc0e1e34c849816690c10ce7ecfb8d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "369e05218a743fe113f92ca8f2d16313dc0e1e34c849816690c10ce7ecfb8d5b", kill_on_drop: false }` [INFO] [stdout] 369e05218a743fe113f92ca8f2d16313dc0e1e34c849816690c10ce7ecfb8d5b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+51de2e90f91fdec6cf64ff542a4e15b9c177a797" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0b458c7be4c222bbf75205df7ceb144bf204987245ef87e63a03c18b09428a3 [INFO] running `Command { std: "docker" "start" "-a" "e0b458c7be4c222bbf75205df7ceb144bf204987245ef87e63a03c18b09428a3", kill_on_drop: false }` [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking fool v0.0.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking superzub v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:162:27 [INFO] [stdout] | [INFO] [stdout] 162 | (inversions % 2 == 0).ok_or(SolveError::Unsolvable) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ok_or(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::::ok_or` [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(bool_to_result)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `superzub` (bin "superzub") due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:168:51 [INFO] [stdout] | [INFO] [stdout] 168 | input.iter().all(|&x| x < 9 && count(x) == 1).ok_or(SolveError::AlphabetMismatch) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ok_or(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::::ok_or` [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(bool_to_result)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:162:27 [INFO] [stdout] | [INFO] [stdout] 162 | (inversions % 2 == 0).ok_or(SolveError::Unsolvable) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ok_or(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::::ok_or` [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(bool_to_result)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:168:51 [INFO] [stdout] | [INFO] [stdout] 168 | input.iter().all(|&x| x < 9 && count(x) == 1).ok_or(SolveError::AlphabetMismatch) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ok_or(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(bool_to_result)]` to the crate attributes to enable `core::bool::::ok_or` [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(bool_to_result)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `superzub` (bin "superzub" test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e0b458c7be4c222bbf75205df7ceb144bf204987245ef87e63a03c18b09428a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0b458c7be4c222bbf75205df7ceb144bf204987245ef87e63a03c18b09428a3", kill_on_drop: false }` [INFO] [stdout] e0b458c7be4c222bbf75205df7ceb144bf204987245ef87e63a03c18b09428a3