[INFO] cloning repository https://github.com/ryuryu-ymj/sym_calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryuryu-ymj/sym_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fsym_calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryuryu-ymj%2Fsym_calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a2dd27201ed3d180ff99b28a776addab13d0477
[INFO] testing ryuryu-ymj/sym_calc 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%2Fryuryu-ymj%2Fsym_calc" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryuryu-ymj/sym_calc 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/ryuryu-ymj/sym_calc
[INFO] finished tweaking git repo https://github.com/ryuryu-ymj/sym_calc
[INFO] tweaked toml for git repo https://github.com/ryuryu-ymj/sym_calc written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/ryuryu-ymj/sym_calc 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 1a02cfd10c05aa04a099e948c61f2dd5d7c9bedb81a2a9e2831ac8dd45a6abab
[INFO] running `Command { std: "docker" "start" "-a" "1a02cfd10c05aa04a099e948c61f2dd5d7c9bedb81a2a9e2831ac8dd45a6abab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a02cfd10c05aa04a099e948c61f2dd5d7c9bedb81a2a9e2831ac8dd45a6abab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a02cfd10c05aa04a099e948c61f2dd5d7c9bedb81a2a9e2831ac8dd45a6abab", kill_on_drop: false }`
[INFO] [stdout] 1a02cfd10c05aa04a099e948c61f2dd5d7c9bedb81a2a9e2831ac8dd45a6abab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 047fe405d88cf46ae30e313396c1062cceeace42135291878a7ee4fd5fb186db
[INFO] running `Command { std: "docker" "start" "-a" "047fe405d88cf46ae30e313396c1062cceeace42135291878a7ee4fd5fb186db", kill_on_drop: false }`
[INFO] [stderr]    Compiling sym_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Lexer`
[INFO] [stdout]  --> src/lexer.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Lexer<'input> {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lexer.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(input: &'input str) -> Lexer<'input> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_token`
[INFO] [stdout]   --> src/lexer.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_number`
[INFO] [stdout]   --> src/lexer.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn read_number(&mut self, pos: usize) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_identifier`
[INFO] [stdout]   --> src/lexer.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn read_identifier(&mut self, pos: usize) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Num`
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Num(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ident`
[INFO] [stdout]  --> src/token.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ident(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Plus,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Minus,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Asterisk`
[INFO] [stdout]  --> src/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Asterisk,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Slash`
[INFO] [stdout]  --> src/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Slash,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lparen`
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Lparen,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/token.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Rparen`
[INFO] [stdout]   --> src/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Rparen,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/token.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]   --> src/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Illegal,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/token.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "047fe405d88cf46ae30e313396c1062cceeace42135291878a7ee4fd5fb186db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047fe405d88cf46ae30e313396c1062cceeace42135291878a7ee4fd5fb186db", kill_on_drop: false }`
[INFO] [stdout] 047fe405d88cf46ae30e313396c1062cceeace42135291878a7ee4fd5fb186db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] fccc914855d16155ea6ba760abc56225aba28dec7ec46da2d886a0a8da7f0fe1
[INFO] running `Command { std: "docker" "start" "-a" "fccc914855d16155ea6ba760abc56225aba28dec7ec46da2d886a0a8da7f0fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sym_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "fccc914855d16155ea6ba760abc56225aba28dec7ec46da2d886a0a8da7f0fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccc914855d16155ea6ba760abc56225aba28dec7ec46da2d886a0a8da7f0fe1", kill_on_drop: false }`
[INFO] [stdout] fccc914855d16155ea6ba760abc56225aba28dec7ec46da2d886a0a8da7f0fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] b8da1a613faa1dc350f8ab5fb97dde16ea03da55c43f6b5d21e4bfeebc9eb685
[INFO] running `Command { std: "docker" "start" "-a" "b8da1a613faa1dc350f8ab5fb97dde16ea03da55c43f6b5d21e4bfeebc9eb685", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sym_calc-18dd301429f6b94d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lexer::test_lexer::test_next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8da1a613faa1dc350f8ab5fb97dde16ea03da55c43f6b5d21e4bfeebc9eb685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8da1a613faa1dc350f8ab5fb97dde16ea03da55c43f6b5d21e4bfeebc9eb685", kill_on_drop: false }`
[INFO] [stdout] b8da1a613faa1dc350f8ab5fb97dde16ea03da55c43f6b5d21e4bfeebc9eb685