[INFO] cloning repository https://github.com/hindenbug/rtstc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hindenbug/rtstc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25f582d234f2b087ba11dce1444a7ca4290386bc [INFO] checking hindenbug/rtstc against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhindenbug%2Frtstc" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hindenbug/rtstc on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hindenbug/rtstc [INFO] finished tweaking git repo https://github.com/hindenbug/rtstc [INFO] tweaked toml for git repo https://github.com/hindenbug/rtstc written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/hindenbug/rtstc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 842fa38843691e85fe41d1b14dad3c6ecef0f0e906bcd82a45516a18e455b96d [INFO] running `Command { std: "docker" "start" "-a" "842fa38843691e85fe41d1b14dad3c6ecef0f0e906bcd82a45516a18e455b96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842fa38843691e85fe41d1b14dad3c6ecef0f0e906bcd82a45516a18e455b96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842fa38843691e85fe41d1b14dad3c6ecef0f0e906bcd82a45516a18e455b96d", kill_on_drop: false }` [INFO] [stdout] 842fa38843691e85fe41d1b14dad3c6ecef0f0e906bcd82a45516a18e455b96d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b02a41dfd740cfbbf82f58e2ffb812eaa0076d21a545ab74eb9d889bc488f41 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1b02a41dfd740cfbbf82f58e2ffb812eaa0076d21a545ab74eb9d889bc488f41", kill_on_drop: false }` [INFO] [stderr] Checking rtstc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | 'a'...'z' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:32:28 [INFO] [stdout] | [INFO] [stdout] 32 | 'a'...'z' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:36:32 [INFO] [stdout] | [INFO] [stdout] 36 | while let Some(&'a'...'z') = chars_.clone().peekable().peek() { [INFO] [stdout] | ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 45 | '0'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | while let Some(&'0'...'9') = chars_.clone().peekable().peek() { [INFO] [stdout] | ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:32:16 [INFO] [stdout] | [INFO] [stdout] 32 | 'a'...'z' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:32:28 [INFO] [stdout] | [INFO] [stdout] 32 | 'a'...'z' | 'A'...'Z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:36:32 [INFO] [stdout] | [INFO] [stdout] 36 | while let Some(&'a'...'z') = chars_.clone().peekable().peek() { [INFO] [stdout] | ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('a'..='z')` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 45 | '0'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/tokenizer.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | while let Some(&'0'...'9') = chars_.clone().peekable().peek() { [INFO] [stdout] | ^^^^^^^^^^ help: use `..=` for an inclusive range: `&('0'..='9')` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ast` [INFO] [stdout] --> src/traverser.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ast` [INFO] [stdout] --> src/traverser.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Visitor` [INFO] [stdout] --> src/traverser.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Visitor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Visitor` [INFO] [stdout] --> src/traverser.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Visitor { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `traverse` [INFO] [stdout] --> src/traverser.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn traverse(ast: ::parser::Node) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "1b02a41dfd740cfbbf82f58e2ffb812eaa0076d21a545ab74eb9d889bc488f41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b02a41dfd740cfbbf82f58e2ffb812eaa0076d21a545ab74eb9d889bc488f41", kill_on_drop: false }` [INFO] [stdout] 1b02a41dfd740cfbbf82f58e2ffb812eaa0076d21a545ab74eb9d889bc488f41