[INFO] fetching crate shiftnanigans 0.3.5... [INFO] testing shiftnanigans-0.3.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate shiftnanigans 0.3.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate shiftnanigans 0.3.5 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate shiftnanigans 0.3.5 [INFO] tweaked toml for crates.io crate shiftnanigans 0.3.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate shiftnanigans 0.3.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate shiftnanigans 0.3.5 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.155 [INFO] [stderr] Downloaded ciborium-io v0.2.0 [INFO] [stderr] Downloaded ciborium v0.2.0 [INFO] [stderr] Downloaded serde_derive v1.0.155 [INFO] [stderr] Downloaded uuid v1.3.3 [INFO] [stderr] Downloaded ciborium-ll v0.2.0 [INFO] [stderr] Downloaded clap v3.2.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 779816b09b070dae53da2309ff58b759942f59397d1c61dfbdee3037ca6def29 [INFO] running `Command { std: "docker" "start" "-a" "779816b09b070dae53da2309ff58b759942f59397d1c61dfbdee3037ca6def29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "779816b09b070dae53da2309ff58b759942f59397d1c61dfbdee3037ca6def29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "779816b09b070dae53da2309ff58b759942f59397d1c61dfbdee3037ca6def29", kill_on_drop: false }` [INFO] [stdout] 779816b09b070dae53da2309ff58b759942f59397d1c61dfbdee3037ca6def29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d34e19e660326818d59c85fdbd8d5161dc7cc1dbeb65bcc5f1b54b9f428947fd [INFO] running `Command { std: "docker" "start" "-a" "d34e19e660326818d59c85fdbd8d5161dc7cc1dbeb65bcc5f1b54b9f428947fd", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Compiling tap v1.0.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling funty v2.0.0 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling nohash-hasher v0.2.0 [INFO] [stderr] Compiling wyz v0.5.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling bitvec v1.0.1 [INFO] [stderr] Compiling shiftnanigans v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `VecDeque` and `cell::RefCell` [INFO] [stdout] --> src/incrementer/shifting_cell_group_dependency_incrementer.rs:9:25 [INFO] [stdout] | [INFO] [stdout] 9 | use std::{collections::{VecDeque, BTreeSet}, rc::Rc, cell::RefCell}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::VecDeque` [INFO] [stdout] --> src/shifter/segment_permutation_shifter.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{rc::Rc, collections::VecDeque}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `get_n_choose_k` [INFO] [stdout] --> src/shifter/segment_permutation_shifter.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::{IndexedElement, get_n_choose_k}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cell::RefCell` [INFO] [stdout] --> src/shifter/shifting_square_breadth_first_search_shifter.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `index_shifter::IndexShifter` [INFO] [stdout] --> src/shifter/hyper_graph_cliche_shifter.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 5 | use super::{Shifter, index_shifter::IndexShifter}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BTreeMap` and `HashMap` [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:1:58 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{rc::Rc, cell::RefCell, collections::{BTreeSet, BTreeMap, HashMap}}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `combined_shifter::CombinedShifter` and `self` [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:4:144 [INFO] [stdout] | [INFO] [stdout] 4 | ...::{self, CellGroupDependency, ShiftingCellGroupDependencyIncrementer}, shifter_incrementer::ShifterIncrementer, limited_incrementer::LimitedIncrementer}, shifter::{Shifter, segment_permutation_shifter::{Segment, SegmentPermutationShifter}, index_shifter::IndexShifter, combined_shifter::CombinedShifter, s... [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:957:75 [INFO] [stdout] | [INFO] [stdout] 957 | ... let rightmost_cell_group_location_x = (rightmost_x - cell_group_width); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 957 - let rightmost_cell_group_location_x = (rightmost_x - cell_group_width); [INFO] [stdout] 957 + let rightmost_cell_group_location_x = rightmost_x - cell_group_width; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:958:76 [INFO] [stdout] | [INFO] [stdout] 958 | ... let bottommost_cell_group_location_y = (bottommost_y - cell_group_height); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 958 - let bottommost_cell_group_location_y = (bottommost_y - cell_group_height); [INFO] [stdout] 958 + let bottommost_cell_group_location_y = bottommost_y - cell_group_height; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:1675:83 [INFO] [stdout] | [INFO] [stdout] 1675 | ... let original_pixel_board_index_x: usize = (cell.0 as usize + pixel_board_coordinate.0); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1675 - let original_pixel_board_index_x: usize = (cell.0 as usize + pixel_board_coordinate.0); [INFO] [stdout] 1675 + let original_pixel_board_index_x: usize = cell.0 as usize + pixel_board_coordinate.0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:1676:83 [INFO] [stdout] | [INFO] [stdout] 1676 | ... let original_pixel_board_index_y: usize = (cell.1 as usize + pixel_board_coordinate.1); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 1676 - let original_pixel_board_index_y: usize = (cell.1 as usize + pixel_board_coordinate.1); [INFO] [stdout] 1676 + let original_pixel_board_index_y: usize = cell.1 as usize + pixel_board_coordinate.1; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/shifter/segment_permutation_shifter.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 218 | return self.is_starting_at_beginning; [INFO] [stdout] | ------------------------------------ any code following this expression is unreachable [INFO] [stdout] 219 | [INFO] [stdout] 220 | let mut is_looped = false; // TODO remove is_looped logic completely or replace with loop iteration count [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitvec::prelude` [INFO] [stdout] --> src/shifter/hyper_graph_cliche_shifter.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bitvec::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/shifter/segment_permutation_shifter.rs:602:13 [INFO] [stdout] | [INFO] [stdout] 602 | let mut is_still_trying_earlier_shift_indexes = true; [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: unused variable: `current_stateful_hyper_graph_node_index` [INFO] [stdout] --> src/shifter/hyper_graph_cliche_shifter.rs:155:33 [INFO] [stdout] | [INFO] [stdout] 155 | if let Some(current_stateful_hyper_graph_node_index) = self.current_stateful_hyper_graph_node_index_per_hyper_graph_n... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_stateful_hyper_graph_node_index` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:281:21 [INFO] [stdout] | [INFO] [stdout] 281 | let mut top_adjacent_pixel_board_coordinates: BTreeSet<(usize, usize)> = BTreeSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:345:21 [INFO] [stdout] | [INFO] [stdout] 345 | let mut top_adjacent_pixel_board_coordinates: BTreeSet<(usize, usize)> = BTreeSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pixel_board/pixel_board_randomizer.rs:348:21 [INFO] [stdout] | [INFO] [stdout] 348 | let mut right_adjacent_pixel_board_coordinates: BTreeSet<(usize, usize)> = BTreeSet::new(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cell_group_index` and `location` are never read [INFO] [stdout] --> src/lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct LocatedCellGroup { [INFO] [stdout] | ---------------- fields in this struct [INFO] [stdout] 39 | cell_group_index: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 40 | location: Rc<(u8, u8)> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_n_choose_k` is never used [INFO] [stdout] --> src/lib.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn get_n_choose_k(n: u64, k: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.96s [INFO] running `Command { std: "docker" "inspect" "d34e19e660326818d59c85fdbd8d5161dc7cc1dbeb65bcc5f1b54b9f428947fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d34e19e660326818d59c85fdbd8d5161dc7cc1dbeb65bcc5f1b54b9f428947fd", kill_on_drop: false }` [INFO] [stdout] d34e19e660326818d59c85fdbd8d5161dc7cc1dbeb65bcc5f1b54b9f428947fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 08b23ef74e849b4f1d4ffbaac3642b0d26321c688fb771bc1b1d4523388e098d [INFO] running `Command { std: "docker" "start" "-a" "08b23ef74e849b4f1d4ffbaac3642b0d26321c688fb771bc1b1d4523388e098d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.155 [INFO] [stderr] Compiling semver v1.0.14 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling serde v1.0.155 [INFO] [stderr] Compiling futures-sink v0.3.25 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "08b23ef74e849b4f1d4ffbaac3642b0d26321c688fb771bc1b1d4523388e098d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08b23ef74e849b4f1d4ffbaac3642b0d26321c688fb771bc1b1d4523388e098d", kill_on_drop: false }` [INFO] [stdout] 08b23ef74e849b4f1d4ffbaac3642b0d26321c688fb771bc1b1d4523388e098d