[INFO] cloning repository https://github.com/lieuwex/appel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lieuwex/appel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flieuwex%2Fappel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flieuwex%2Fappel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b14c45285448759a77903cb107c519c1b744d407 [INFO] checking lieuwex/appel against try#0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 for pr-147185 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flieuwex%2Fappel" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lieuwex/appel [INFO] finished tweaking git repo https://github.com/lieuwex/appel [INFO] tweaked toml for git repo https://github.com/lieuwex/appel written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lieuwex/appel on toolchain 0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lieuwex/appel 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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fdd1537a1fa631febdcf21f26d22ace8674a8e17d008e4fd9312fc4187bdd828 [INFO] running `Command { std: "docker" "start" "-a" "fdd1537a1fa631febdcf21f26d22ace8674a8e17d008e4fd9312fc4187bdd828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdd1537a1fa631febdcf21f26d22ace8674a8e17d008e4fd9312fc4187bdd828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdd1537a1fa631febdcf21f26d22ace8674a8e17d008e4fd9312fc4187bdd828", kill_on_drop: false }` [INFO] [stdout] fdd1537a1fa631febdcf21f26d22ace8674a8e17d008e4fd9312fc4187bdd828 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f90570397c785ace40dfc9ded914731fc8369518a4967155d9d8bdda69a36d96 [INFO] running `Command { std: "docker" "start" "-a" "f90570397c785ace40dfc9ded914731fc8369518a4967155d9d8bdda69a36d96", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling gmp-mpfr-sys v1.6.4 [INFO] [stderr] Compiling az v1.2.1 [INFO] [stderr] Compiling rug v1.25.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking dtoa v1.0.9 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking pom v3.4.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling dyn-clonable-impl v0.9.0 [INFO] [stderr] Checking dyn-clonable v0.9.0 [INFO] [stderr] Checking appel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `iter` [INFO] [stdout] --> src/executor/chain.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryFrom, iter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `iter` [INFO] [stdout] --> src/executor/chain.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryFrom, iter}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [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/executor/chain.rs:118:18 [INFO] [stdout] | [INFO] [stdout] 118 | .intersperse(Ok(" ".to_string())) [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 `itertools::Itertools::intersperse(...)` 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(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(iter_intersperse)] [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/executor/chain.rs:118:18 [INFO] [stdout] | [INFO] [stdout] 118 | .intersperse(Ok(" ".to_string())) [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 `itertools::Itertools::intersperse(...)` 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(iter_intersperse)]` to the crate attributes to enable `std::iter::Iterator::intersperse` [INFO] [stdout] --> src/main.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 + #![feature(iter_intersperse)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `scalar` is never used [INFO] [stdout] --> src/executor/chain.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl IterShape { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn scalar(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `scalar`, `get_at`, `take_at`, `get_multiple`, and `iter_mut` are never used [INFO] [stdout] --> src/executor/matrix.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn scalar(&self) -> Option<&Ratio> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn get_at(&self, i: usize) -> Option<&Ratio> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn take_at(self, i: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_multiple(&self, indices: &[usize]) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executor/matrix.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter(&self) -> std::slice::Iter<'_, Ratio> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executor/matrix.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Ratio> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `scalar` is never used [INFO] [stdout] --> src/executor/chain.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl IterShape { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn scalar(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `scalar`, `get_at`, `take_at`, `get_multiple`, and `iter_mut` are never used [INFO] [stdout] --> src/executor/matrix.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn scalar(&self) -> Option<&Ratio> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn get_at(&self, i: usize) -> Option<&Ratio> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn take_at(self, i: usize) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | pub fn get_multiple(&self, indices: &[usize]) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executor/matrix.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter(&self) -> std::slice::Iter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter(&self) -> std::slice::Iter<'_, Ratio> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/executor/matrix.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub fn iter_mut(&mut self) -> std::slice::IterMut<'_, Ratio> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 20s [INFO] running `Command { std: "docker" "inspect" "f90570397c785ace40dfc9ded914731fc8369518a4967155d9d8bdda69a36d96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f90570397c785ace40dfc9ded914731fc8369518a4967155d9d8bdda69a36d96", kill_on_drop: false }` [INFO] [stdout] f90570397c785ace40dfc9ded914731fc8369518a4967155d9d8bdda69a36d96