[INFO] cloning repository https://github.com/KeyboardFire/xkcd1537-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeyboardFire/xkcd1537-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 54c82318d7c0ca798ced908cc6d76ce19d1f23e1 [INFO] testing KeyboardFire/xkcd1537-rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeyboardFire%2Fxkcd1537-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KeyboardFire/xkcd1537-rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KeyboardFire/xkcd1537-rust [INFO] finished tweaking git repo https://github.com/KeyboardFire/xkcd1537-rust [INFO] tweaked toml for git repo https://github.com/KeyboardFire/xkcd1537-rust written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/KeyboardFire/xkcd1537-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3338a96bcf09364f548f38a16b876d57ee74d6ef5e5161ab9e1e172bc8d8db2 [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" "e3338a96bcf09364f548f38a16b876d57ee74d6ef5e5161ab9e1e172bc8d8db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3338a96bcf09364f548f38a16b876d57ee74d6ef5e5161ab9e1e172bc8d8db2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3338a96bcf09364f548f38a16b876d57ee74d6ef5e5161ab9e1e172bc8d8db2", kill_on_drop: false }` [INFO] [stdout] e3338a96bcf09364f548f38a16b876d57ee74d6ef5e5161ab9e1e172bc8d8db2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07dfc5808a867034f9806bef6d6559ab206f584ff6bc75cd58b1ada50eb1b143 [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" "07dfc5808a867034f9806bef6d6559ab206f584ff6bc75cd58b1ada50eb1b143", kill_on_drop: false }` [INFO] [stderr] Compiling xkcd1537 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | trait FromString { fn from_string(String) -> Option<(T, usize)>; } [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:95:17 [INFO] [stdout] | [INFO] [stdout] 95 | try!(write!(fmt, "{}", n)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | try!(write!(fmt, "{}", s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | try!(write!(fmt, "{:?}", a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | try!(write!(fmt, "{}", (*o).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | try!(write!(fmt, "{}", (*f).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:239:45 [INFO] [stdout] | [INFO] [stdout] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `XArray` [INFO] [stdout] --> src/main.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | XArray(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | #[derive(PartialEq, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exec_rpn` [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.09s [INFO] running `Command { std: "docker" "inspect" "07dfc5808a867034f9806bef6d6559ab206f584ff6bc75cd58b1ada50eb1b143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07dfc5808a867034f9806bef6d6559ab206f584ff6bc75cd58b1ada50eb1b143", kill_on_drop: false }` [INFO] [stdout] 07dfc5808a867034f9806bef6d6559ab206f584ff6bc75cd58b1ada50eb1b143 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4a26a9f24342985c0604f99ed5770b98ad54a71878de1f4601d507f101b409f [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" "f4a26a9f24342985c0604f99ed5770b98ad54a71878de1f4601d507f101b409f", kill_on_drop: false }` [INFO] [stderr] Compiling xkcd1537 v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:19:38 [INFO] [stdout] | [INFO] [stdout] 19 | trait FromString { fn from_string(String) -> Option<(T, usize)>; } [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:95:17 [INFO] [stdout] | [INFO] [stdout] 95 | try!(write!(fmt, "{}", n)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:98:17 [INFO] [stdout] | [INFO] [stdout] 98 | try!(write!(fmt, "{}", s)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | try!(write!(fmt, "{:?}", a)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:104:17 [INFO] [stdout] | [INFO] [stdout] 104 | try!(write!(fmt, "{}", (*o).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:107:17 [INFO] [stdout] | [INFO] [stdout] 107 | try!(write!(fmt, "{}", (*f).to_string())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:239:45 [INFO] [stdout] | [INFO] [stdout] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `XArray` [INFO] [stdout] --> src/main.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | XArray(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | #[derive(PartialEq, Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exec_rpn` [INFO] [stdout] --> src/main.rs:227:4 [INFO] [stdout] | [INFO] [stdout] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f4a26a9f24342985c0604f99ed5770b98ad54a71878de1f4601d507f101b409f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4a26a9f24342985c0604f99ed5770b98ad54a71878de1f4601d507f101b409f", kill_on_drop: false }` [INFO] [stdout] f4a26a9f24342985c0604f99ed5770b98ad54a71878de1f4601d507f101b409f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 45fb2322bc5ef08fcb7dcf0fcdfabfccfce988fcba50eb4548f1dccdce9b295d [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" "45fb2322bc5ef08fcb7dcf0fcdfabfccfce988fcba50eb4548f1dccdce9b295d", kill_on_drop: false }` [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/main.rs:19:38 [INFO] [stderr] | [INFO] [stderr] 19 | trait FromString { fn from_string(String) -> Option<(T, usize)>; } [INFO] [stderr] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:95:17 [INFO] [stderr] | [INFO] [stderr] 95 | try!(write!(fmt, "{}", n)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 98 | try!(write!(fmt, "{}", s)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:101:17 [INFO] [stderr] | [INFO] [stderr] 101 | try!(write!(fmt, "{:?}", a)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:104:17 [INFO] [stderr] | [INFO] [stderr] 104 | try!(write!(fmt, "{}", (*o).to_string())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:107:17 [INFO] [stderr] | [INFO] [stderr] 107 | try!(write!(fmt, "{}", (*f).to_string())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:239:45 [INFO] [stderr] | [INFO] [stderr] 239 | Token::XFunction(Function::Wrap(n)) => { }, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `XArray` [INFO] [stderr] --> src/main.rs:87:5 [INFO] [stderr] | [INFO] [stderr] 87 | XArray(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | #[derive(PartialEq, Clone)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `exec_rpn` [INFO] [stderr] --> src/main.rs:227:4 [INFO] [stderr] | [INFO] [stderr] 227 | fn exec_rpn(rpn: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `xkcd1537` (bin "xkcd1537" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xkcd1537-472dad3f76c2dadb) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "45fb2322bc5ef08fcb7dcf0fcdfabfccfce988fcba50eb4548f1dccdce9b295d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45fb2322bc5ef08fcb7dcf0fcdfabfccfce988fcba50eb4548f1dccdce9b295d", kill_on_drop: false }` [INFO] [stdout] 45fb2322bc5ef08fcb7dcf0fcdfabfccfce988fcba50eb4548f1dccdce9b295d