[INFO] cloning repository https://github.com/cfsamson/examples-parsers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfsamson/examples-parsers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-parsers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-parsers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e47801140f65a0b613c09dd8b2a6cd55ed3e51c8 [INFO] testing cfsamson/examples-parsers against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-parsers" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfsamson/examples-parsers on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cfsamson/examples-parsers [INFO] finished tweaking git repo https://github.com/cfsamson/examples-parsers [INFO] tweaked toml for git repo https://github.com/cfsamson/examples-parsers written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/cfsamson/examples-parsers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05393384eb3b8a2a88d30bbe641cdd7e2376c1f1a9a6786ad9c5e51ace241630 [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" "05393384eb3b8a2a88d30bbe641cdd7e2376c1f1a9a6786ad9c5e51ace241630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05393384eb3b8a2a88d30bbe641cdd7e2376c1f1a9a6786ad9c5e51ace241630", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05393384eb3b8a2a88d30bbe641cdd7e2376c1f1a9a6786ad9c5e51ace241630", kill_on_drop: false }` [INFO] [stdout] 05393384eb3b8a2a88d30bbe641cdd7e2376c1f1a9a6786ad9c5e51ace241630 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", 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] 1f978d0c1f000df4160d84e792fac7d61ea97d0f5fb918179fb6fd413237a029 [INFO] running `Command { std: "docker" "start" "-a" "1f978d0c1f000df4160d84e792fac7d61ea97d0f5fb918179fb6fd413237a029", kill_on_drop: false }` [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> src/recursive_ascent.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let test = "[1, [], 3]"; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/recursive_ascent.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lex` [INFO] [stdout] --> src/recursive_ascent.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Lex { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `token` [INFO] [stdout] --> src/recursive_ascent.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn token(&self) -> Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Token` [INFO] [stdout] --> src/recursive_ascent.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Value` [INFO] [stdout] --> src/recursive_ascent.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Value(JsonValue); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Array` [INFO] [stdout] --> src/recursive_ascent.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Array(Vec); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Elements` [INFO] [stdout] --> src/recursive_ascent.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Elements(Vec); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `JsonValue` [INFO] [stdout] --> src/recursive_ascent.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | enum JsonValue { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParseError` [INFO] [stdout] --> src/recursive_ascent.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct ParseError; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "1f978d0c1f000df4160d84e792fac7d61ea97d0f5fb918179fb6fd413237a029", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f978d0c1f000df4160d84e792fac7d61ea97d0f5fb918179fb6fd413237a029", kill_on_drop: false }` [INFO] [stdout] 1f978d0c1f000df4160d84e792fac7d61ea97d0f5fb918179fb6fd413237a029 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42e75bd21ea702398e21b72da1df3e43579eaf54841bac1c7bc48ef85e31809a [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" "42e75bd21ea702398e21b72da1df3e43579eaf54841bac1c7bc48ef85e31809a", kill_on_drop: false }` [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> src/recursive_ascent.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let test = "[1, [], 3]"; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test` [INFO] [stdout] --> src/recursive_ascent.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Lex` [INFO] [stdout] --> src/recursive_ascent.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Lex { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `token` [INFO] [stdout] --> src/recursive_ascent.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn token(&self) -> Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Token` [INFO] [stdout] --> src/recursive_ascent.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Value` [INFO] [stdout] --> src/recursive_ascent.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Value(JsonValue); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Array` [INFO] [stdout] --> src/recursive_ascent.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Array(Vec); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Elements` [INFO] [stdout] --> src/recursive_ascent.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct Elements(Vec); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `JsonValue` [INFO] [stdout] --> src/recursive_ascent.rs:28:6 [INFO] [stdout] | [INFO] [stdout] 28 | enum JsonValue { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParseError` [INFO] [stdout] --> src/recursive_ascent.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct ParseError; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "42e75bd21ea702398e21b72da1df3e43579eaf54841bac1c7bc48ef85e31809a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42e75bd21ea702398e21b72da1df3e43579eaf54841bac1c7bc48ef85e31809a", kill_on_drop: false }` [INFO] [stdout] 42e75bd21ea702398e21b72da1df3e43579eaf54841bac1c7bc48ef85e31809a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b3850622193e1c3188639955f53269d7b9f85335d71971c03e7c5c09e9556a1a [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" "b3850622193e1c3188639955f53269d7b9f85335d71971c03e7c5c09e9556a1a", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `test` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/recursive_ascent.rs:2:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 2 | let test = "[1, [], 3]"; [INFO] [stdout] [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/recursive_ascent.rs:1:4 [INFO] [stderr] | [INFO] [stderr] 1 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Lex` [INFO] [stderr] --> src/recursive_ascent.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | struct Lex { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `token` [INFO] [stderr] --> src/recursive_ascent.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn token(&self) -> Token { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Token` [INFO] [stderr] --> src/recursive_ascent.rs:16:6 [INFO] [stderr] | [INFO] [stderr] 16 | enum Token { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Value` [INFO] [stderr] --> src/recursive_ascent.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | struct Value(JsonValue); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Array` [INFO] [stderr] --> src/recursive_ascent.rs:25:8 [INFO] [stderr] | [INFO] [stderr] 25 | struct Array(Vec); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Elements` [INFO] [stderr] --> src/recursive_ascent.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | struct Elements(Vec); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `JsonValue` [INFO] [stderr] --> src/recursive_ascent.rs:28:6 [INFO] [stderr] | [INFO] [stderr] 28 | enum JsonValue { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ParseError` [INFO] [stderr] --> src/recursive_ascent.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | struct ParseError; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/parser-e153c8e2f37addb2 [INFO] running `Command { std: "docker" "inspect" "b3850622193e1c3188639955f53269d7b9f85335d71971c03e7c5c09e9556a1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3850622193e1c3188639955f53269d7b9f85335d71971c03e7c5c09e9556a1a", kill_on_drop: false }` [INFO] [stdout] b3850622193e1c3188639955f53269d7b9f85335d71971c03e7c5c09e9556a1a