[INFO] cloning repository https://github.com/birdbrainswagtrain/combinatorio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birdbrainswagtrain/combinatorio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirdbrainswagtrain%2Fcombinatorio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirdbrainswagtrain%2Fcombinatorio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 89240facff6bc0b341164580c29721ddcaf812d8 [INFO] checking birdbrainswagtrain/combinatorio against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirdbrainswagtrain%2Fcombinatorio" "/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/birdbrainswagtrain/combinatorio [INFO] finished tweaking git repo https://github.com/birdbrainswagtrain/combinatorio [INFO] tweaked toml for git repo https://github.com/birdbrainswagtrain/combinatorio written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/birdbrainswagtrain/combinatorio on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/birdbrainswagtrain/combinatorio 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 47bef4db35a9e70bc9af2e1f1b6ca7b3f36664e5227d5b07d2c3d3764ddccb17 [INFO] running `Command { std: "docker" "start" "-a" "47bef4db35a9e70bc9af2e1f1b6ca7b3f36664e5227d5b07d2c3d3764ddccb17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47bef4db35a9e70bc9af2e1f1b6ca7b3f36664e5227d5b07d2c3d3764ddccb17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47bef4db35a9e70bc9af2e1f1b6ca7b3f36664e5227d5b07d2c3d3764ddccb17", kill_on_drop: false }` [INFO] [stdout] 47bef4db35a9e70bc9af2e1f1b6ca7b3f36664e5227d5b07d2c3d3764ddccb17 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9133eba517208763a1ec71d71d1428ceb8f06021a7c2612e101adda1b7c3b9b [INFO] running `Command { std: "docker" "start" "-a" "f9133eba517208763a1ec71d71d1428ceb8f06021a7c2612e101adda1b7c3b9b", kill_on_drop: false }` [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling sha2 v0.9.8 [INFO] [stderr] Compiling rust-embed-utils v7.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Compiling rust-embed-impl v6.1.0 [INFO] [stderr] Checking rust-embed v6.2.0 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking combinatorio v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `iter_mut` is never used [INFO] [stdout] --> src/ir/mod.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 79 | impl NodeList { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn iter_mut(&mut self) -> core::slice::IterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:83:24 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn new(string: &str) -> Lexer { [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] 83 | pub fn new(string: &str) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter(&self) -> core::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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter(&self) -> core::slice::Iter<'_, IRNode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn iter_mut(&mut self) -> core::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] 84 | pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, IRNode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:88:23 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn iter_debug(&self) -> std::iter::Zip,core::slice::Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [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] 88 | pub fn iter_debug(&self) -> std::iter::Zip,core::slice::Iter<'_, String>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter_mut` is never used [INFO] [stdout] --> src/ir/mod.rs:84:12 [INFO] [stdout] | [INFO] [stdout] 79 | impl NodeList { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn iter_mut(&mut self) -> core::slice::IterMut { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lexer.rs:83:24 [INFO] [stdout] | [INFO] [stdout] 83 | pub fn new(string: &str) -> Lexer { [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] 83 | pub fn new(string: &str) -> Lexer<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:80:17 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter(&self) -> core::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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | pub fn iter(&self) -> core::slice::Iter<'_, IRNode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:84:21 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn iter_mut(&mut self) -> core::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] 84 | pub fn iter_mut(&mut self) -> core::slice::IterMut<'_, IRNode> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ir/mod.rs:88:23 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn iter_debug(&self) -> std::iter::Zip,core::slice::Iter> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [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] 88 | pub fn iter_debug(&self) -> std::iter::Zip,core::slice::Iter<'_, String>> { [INFO] [stdout] | +++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.58s [INFO] running `Command { std: "docker" "inspect" "f9133eba517208763a1ec71d71d1428ceb8f06021a7c2612e101adda1b7c3b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9133eba517208763a1ec71d71d1428ceb8f06021a7c2612e101adda1b7c3b9b", kill_on_drop: false }` [INFO] [stdout] f9133eba517208763a1ec71d71d1428ceb8f06021a7c2612e101adda1b7c3b9b