[INFO] cloning repository https://github.com/whothey/firstfollow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whothey/firstfollow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed70ddfb2c949e42afc1b1b7e51e22ef854739a2 [INFO] building whothey/firstfollow against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whothey/firstfollow on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/whothey/firstfollow [INFO] finished tweaking git repo https://github.com/whothey/firstfollow [INFO] tweaked toml for git repo https://github.com/whothey/firstfollow written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/whothey/firstfollow 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.26 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84bf85f5e3a805bfddb9cfbcde05cad8fd27c1ad06ea0d9744f0391e8d21b38d [INFO] running `Command { std: "docker" "start" "-a" "84bf85f5e3a805bfddb9cfbcde05cad8fd27c1ad06ea0d9744f0391e8d21b38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84bf85f5e3a805bfddb9cfbcde05cad8fd27c1ad06ea0d9744f0391e8d21b38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84bf85f5e3a805bfddb9cfbcde05cad8fd27c1ad06ea0d9744f0391e8d21b38d", kill_on_drop: false }` [INFO] [stdout] 84bf85f5e3a805bfddb9cfbcde05cad8fd27c1ad06ea0d9744f0391e8d21b38d [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8536e98682e55f2fd273078c7b61a6e174e8d2232ca763f5a6d1833a8f988060 [INFO] running `Command { std: "docker" "start" "-a" "8536e98682e55f2fd273078c7b61a6e174e8d2232ca763f5a6d1833a8f988060", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling firstfollow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:108:37 [INFO] [stdout] | [INFO] [stdout] 108 | ... let mut set = first.get_mut(key).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:181:33 [INFO] [stdout] | [INFO] [stdout] 181 | ... let mut set = follow_map.entry(target) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_terminal` and `is_nonterminal` are never used [INFO] [stdout] --> src/formalgrammar/symbol.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Symbol { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s [INFO] running `Command { std: "docker" "inspect" "8536e98682e55f2fd273078c7b61a6e174e8d2232ca763f5a6d1833a8f988060", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8536e98682e55f2fd273078c7b61a6e174e8d2232ca763f5a6d1833a8f988060", kill_on_drop: false }` [INFO] [stdout] 8536e98682e55f2fd273078c7b61a6e174e8d2232ca763f5a6d1833a8f988060 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf141635005f2a1677346f34463106fcaeecaa827e3355464af91ef5355b2bc6 [INFO] running `Command { std: "docker" "start" "-a" "bf141635005f2a1677346f34463106fcaeecaa827e3355464af91ef5355b2bc6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling firstfollow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:108:37 [INFO] [stdout] | [INFO] [stdout] 108 | ... let mut set = first.get_mut(key).unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:181:33 [INFO] [stdout] | [INFO] [stdout] 181 | ... let mut set = follow_map.entry(target) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_terminal` and `is_nonterminal` are never used [INFO] [stdout] --> src/formalgrammar/symbol.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Symbol { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "bf141635005f2a1677346f34463106fcaeecaa827e3355464af91ef5355b2bc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf141635005f2a1677346f34463106fcaeecaa827e3355464af91ef5355b2bc6", kill_on_drop: false }` [INFO] [stdout] bf141635005f2a1677346f34463106fcaeecaa827e3355464af91ef5355b2bc6