[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 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfsamson%2Fexamples-parsers" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cfsamson/examples-parsers on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-0/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 983eec89d820f1ffa9538e939daff953eab3dc9bc321813270127120d952cb59 [INFO] running `Command { std: "docker" "start" "-a" "983eec89d820f1ffa9538e939daff953eab3dc9bc321813270127120d952cb59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "983eec89d820f1ffa9538e939daff953eab3dc9bc321813270127120d952cb59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "983eec89d820f1ffa9538e939daff953eab3dc9bc321813270127120d952cb59", kill_on_drop: false }` [INFO] [stdout] 983eec89d820f1ffa9538e939daff953eab3dc9bc321813270127120d952cb59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41a459185203d1ac2e908945db93781493b7b77065e07afc10d637848e1c63fc [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" "41a459185203d1ac2e908945db93781493b7b77065e07afc10d637848e1c63fc", 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 0.92s [INFO] running `Command { std: "docker" "inspect" "41a459185203d1ac2e908945db93781493b7b77065e07afc10d637848e1c63fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41a459185203d1ac2e908945db93781493b7b77065e07afc10d637848e1c63fc", kill_on_drop: false }` [INFO] [stdout] 41a459185203d1ac2e908945db93781493b7b77065e07afc10d637848e1c63fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e61c1dbf57cb198de69142433944da5712583f0003645fde04e3582c7758eb3 [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" "3e61c1dbf57cb198de69142433944da5712583f0003645fde04e3582c7758eb3", 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 0.69s [INFO] running `Command { std: "docker" "inspect" "3e61c1dbf57cb198de69142433944da5712583f0003645fde04e3582c7758eb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e61c1dbf57cb198de69142433944da5712583f0003645fde04e3582c7758eb3", kill_on_drop: false }` [INFO] [stdout] 3e61c1dbf57cb198de69142433944da5712583f0003645fde04e3582c7758eb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 3b26cfe546347f5623400be9080c87d42dcf8dccc7b2d91aa36ac2db0c21e3fe [INFO] running `Command { std: "docker" "start" "-a" "3b26cfe546347f5623400be9080c87d42dcf8dccc7b2d91aa36ac2db0c21e3fe", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `test` [INFO] [stderr] --> src/recursive_ascent.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | let test = "[1, [], 3]"; [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 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/parser-68300e0250ea834d [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3b26cfe546347f5623400be9080c87d42dcf8dccc7b2d91aa36ac2db0c21e3fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b26cfe546347f5623400be9080c87d42dcf8dccc7b2d91aa36ac2db0c21e3fe", kill_on_drop: false }` [INFO] [stdout] 3b26cfe546347f5623400be9080c87d42dcf8dccc7b2d91aa36ac2db0c21e3fe