[INFO] cloning repository https://github.com/camsteffen/kenny [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camsteffen/kenny" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c9b54bca810e72b9a845a3b958edaf283e94580 [INFO] checking camsteffen/kenny against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camsteffen/kenny 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/camsteffen/kenny [INFO] finished tweaking git repo https://github.com/camsteffen/kenny [INFO] tweaked toml for git repo https://github.com/camsteffen/kenny written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/camsteffen/kenny 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 ahash v0.7.2 [INFO] [stderr] Downloaded syn v1.0.62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 479e744de456ebe8610c07f40f1f7748fbb10f7222b6558a4bc0313e98a978f8 [INFO] running `Command { std: "docker" "start" "-a" "479e744de456ebe8610c07f40f1f7748fbb10f7222b6558a4bc0313e98a978f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "479e744de456ebe8610c07f40f1f7748fbb10f7222b6558a4bc0313e98a978f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "479e744de456ebe8610c07f40f1f7748fbb10f7222b6558a4bc0313e98a978f8", kill_on_drop: false }` [INFO] [stdout] 479e744de456ebe8610c07f40f1f7748fbb10f7222b6558a4bc0313e98a978f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 47cc54e4acf698c742d53250c312766186aefab50195613bb46a8e2c93a9f9d7 [INFO] running `Command { std: "docker" "start" "-a" "47cc54e4acf698c742d53250c312766186aefab50195613bb46a8e2c93a9f9d7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.62 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking kenny v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/puzzle/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/puzzle/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [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/solve/cage_solutions.rs:210:18 [INFO] [stdout] | [INFO] [stdout] 210 | .collect_into(Vec::with_capacity(solved_cells.len())); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/constraint/unary_constraints.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .collect_into(Vec::with_capacity(cage.cell_count() - 1)); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/cage_solutions.rs:210:18 [INFO] [stdout] | [INFO] [stdout] 210 | .collect_into(Vec::with_capacity(solved_cells.len())); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/constraint/unary_constraints.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .collect_into(Vec::with_capacity(cage.cell_count() - 1)); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_to` and `right_merge` are never used [INFO] [stdout] --> src/collections/iterator_ext.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 8 | fn add_to(self, e: &mut E) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn right_merge(self, right: R) -> LeftMerge [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_default_mut`, `push_mut`, `remove_indices`, `retain_indices`, and `retain_indices_copy` are never used [INFO] [stdout] --> src/collections/vec_ext.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait VecExt { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 4 | fn push_default_mut(&mut self) -> &mut T [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn push_mut(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | [INFO] [stdout] 12 | fn remove_indices(&mut self, indices: &[usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn retain_indices(&mut self, indices: &[usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 21 | [INFO] [stdout] 22 | fn retain_indices_copy(&mut self, indices: &[usize]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solve/markup/changes.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl CellChanges { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `index` is never used [INFO] [stdout] --> src/parse/mod.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 99 | trait IndexedTokenExt: Sized + Into<(usize, T)> [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 125 | fn index(self) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_to` is never used [INFO] [stdout] --> src/collections/iterator_ext.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 8 | fn add_to(self, e: &mut E) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_default_mut` and `push_mut` are never used [INFO] [stdout] --> src/collections/vec_ext.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait VecExt { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 4 | fn push_default_mut(&mut self) -> &mut T [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn push_mut(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `index` is never used [INFO] [stdout] --> src/parse/mod.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 99 | trait IndexedTokenExt: Sized + Into<(usize, T)> [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 125 | fn index(self) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.79s [INFO] running `Command { std: "docker" "inspect" "47cc54e4acf698c742d53250c312766186aefab50195613bb46a8e2c93a9f9d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47cc54e4acf698c742d53250c312766186aefab50195613bb46a8e2c93a9f9d7", kill_on_drop: false }` [INFO] [stdout] 47cc54e4acf698c742d53250c312766186aefab50195613bb46a8e2c93a9f9d7 [INFO] checking camsteffen/kenny against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamsteffen%2Fkenny" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/camsteffen/kenny 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/camsteffen/kenny [INFO] finished tweaking git repo https://github.com/camsteffen/kenny [INFO] tweaked toml for git repo https://github.com/camsteffen/kenny written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/camsteffen/kenny 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0448f21c7d2e1a44bfde6794ae8c5e1ca060b28e0ec2afeb80d7dff4d500b612 [INFO] running `Command { std: "docker" "start" "-a" "0448f21c7d2e1a44bfde6794ae8c5e1ca060b28e0ec2afeb80d7dff4d500b612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0448f21c7d2e1a44bfde6794ae8c5e1ca060b28e0ec2afeb80d7dff4d500b612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0448f21c7d2e1a44bfde6794ae8c5e1ca060b28e0ec2afeb80d7dff4d500b612", kill_on_drop: false }` [INFO] [stdout] 0448f21c7d2e1a44bfde6794ae8c5e1ca060b28e0ec2afeb80d7dff4d500b612 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8a77bf5edeb2f203aa5868b8065fc2524b18b43c7de2e7399e3229f7d3b5f007 [INFO] running `Command { std: "docker" "start" "-a" "8a77bf5edeb2f203aa5868b8065fc2524b18b43c7de2e7399e3229f7d3b5f007", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.62 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Checking linked_hash_set v0.1.4 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking kenny v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/puzzle/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/collections/square/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/puzzle/mod.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [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/solve/cage_solutions.rs:210:18 [INFO] [stdout] | [INFO] [stdout] 210 | .collect_into(Vec::with_capacity(solved_cells.len())); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/cage_solutions.rs:210:18 [INFO] [stdout] | [INFO] [stdout] 210 | .collect_into(Vec::with_capacity(solved_cells.len())); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/constraint/unary_constraints.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .collect_into(Vec::with_capacity(cage.cell_count() - 1)); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [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/solve/constraint/unary_constraints.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | .collect_into(Vec::with_capacity(cage.cell_count() - 1)); [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 `IteratorExt::collect_into(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(iter_collect_into)]` to the crate attributes to enable `collect_into` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 + #![feature(iter_collect_into)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_to` and `right_merge` are never used [INFO] [stdout] --> src/collections/iterator_ext.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 8 | fn add_to(self, e: &mut E) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn right_merge(self, right: R) -> LeftMerge [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_default_mut`, `push_mut`, `remove_indices`, `retain_indices`, and `retain_indices_copy` are never used [INFO] [stdout] --> src/collections/vec_ext.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait VecExt { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 4 | fn push_default_mut(&mut self) -> &mut T [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn push_mut(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 11 | [INFO] [stdout] 12 | fn remove_indices(&mut self, indices: &[usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn retain_indices(&mut self, indices: &[usize]); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 21 | [INFO] [stdout] 22 | fn retain_indices_copy(&mut self, indices: &[usize]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/solve/markup/changes.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 40 | impl CellChanges { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 41 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `index` is never used [INFO] [stdout] --> src/parse/mod.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 99 | trait IndexedTokenExt: Sized + Into<(usize, T)> [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 125 | fn index(self) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_to` is never used [INFO] [stdout] --> src/collections/iterator_ext.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) trait IteratorExt: Iterator + Sized { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 8 | fn add_to(self, e: &mut E) [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `push_default_mut` and `push_mut` are never used [INFO] [stdout] --> src/collections/vec_ext.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) trait VecExt { [INFO] [stdout] | ------ methods in this trait [INFO] [stdout] ... [INFO] [stdout] 4 | fn push_default_mut(&mut self) -> &mut T [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | fn push_mut(&mut self, value: T) -> &mut T; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `index` is never used [INFO] [stdout] --> src/parse/mod.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 99 | trait IndexedTokenExt: Sized + Into<(usize, T)> [INFO] [stdout] | --------------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 125 | fn index(self) -> usize; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s [INFO] running `Command { std: "docker" "inspect" "8a77bf5edeb2f203aa5868b8065fc2524b18b43c7de2e7399e3229f7d3b5f007", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a77bf5edeb2f203aa5868b8065fc2524b18b43c7de2e7399e3229f7d3b5f007", kill_on_drop: false }` [INFO] [stdout] 8a77bf5edeb2f203aa5868b8065fc2524b18b43c7de2e7399e3229f7d3b5f007