[INFO] cloning repository https://github.com/juggernaut0/snek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juggernaut0/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuggernaut0%2Fsnek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuggernaut0%2Fsnek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49c64b3de6c848a7253d4c04dc9a5d46b5280139
[INFO] testing juggernaut0/snek against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuggernaut0%2Fsnek" "/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/juggernaut0/snek on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juggernaut0/snek
[INFO] finished tweaking git repo https://github.com/juggernaut0/snek
[INFO] tweaked toml for git repo https://github.com/juggernaut0/snek written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/juggernaut0/snek already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] f656ed25787938b1cc07836296abbf712b04e1a6d8c3be47153cf42a18ad75bd
[INFO] running `Command { std: "docker" "start" "-a" "f656ed25787938b1cc07836296abbf712b04e1a6d8c3be47153cf42a18ad75bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f656ed25787938b1cc07836296abbf712b04e1a6d8c3be47153cf42a18ad75bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f656ed25787938b1cc07836296abbf712b04e1a6d8c3be47153cf42a18ad75bd", kill_on_drop: false }`
[INFO] [stdout] f656ed25787938b1cc07836296abbf712b04e1a6d8c3be47153cf42a18ad75bd
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d828885c159e4269f356b478a8758688bd8d86fe6d72758348a248aa446c6a21
[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" "d828885c159e4269f356b478a8758688bd8d86fe6d72758348a248aa446c6a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `IDENT`
[INFO] [stdout]    --> src/scanner.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     IDENT,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `STRING`
[INFO] [stdout]    --> src/scanner.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     STRING,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `KEYWORD`
[INFO] [stdout]    --> src/scanner.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     KEYWORD,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `SYMBOL`
[INFO] [stdout]    --> src/scanner.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     SYMBOL,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: field is never read: `value`
[INFO] [stdout]    --> src/scanner.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     value: String,
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `line`
[INFO] [stdout]    --> src/scanner.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     line: u32,
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `col`
[INFO] [stdout]    --> src/scanner.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     col: u32
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `message`
[INFO] [stdout]   --> src/parse.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: field is never read: `line`
[INFO] [stdout]   --> src/parse.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     line: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: field is never read: `col`
[INFO] [stdout]   --> src/parse.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     col: u32
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "d828885c159e4269f356b478a8758688bd8d86fe6d72758348a248aa446c6a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d828885c159e4269f356b478a8758688bd8d86fe6d72758348a248aa446c6a21", kill_on_drop: false }`
[INFO] [stdout] d828885c159e4269f356b478a8758688bd8d86fe6d72758348a248aa446c6a21
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] c44942eab8d2ff97dc38213dd545809374a0b858402c22c40021284c088976a6
[INFO] running `Command { std: "docker" "start" "-a" "c44942eab8d2ff97dc38213dd545809374a0b858402c22c40021284c088976a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `IDENT`
[INFO] [stdout]    --> src/scanner.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     IDENT,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `STRING`
[INFO] [stdout]    --> src/scanner.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     STRING,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `KEYWORD`
[INFO] [stdout]    --> src/scanner.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     KEYWORD,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `SYMBOL`
[INFO] [stdout]    --> src/scanner.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     SYMBOL,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/scanner.rs:167:10
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: field is never read: `value`
[INFO] [stdout]    --> src/scanner.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     value: String,
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `line`
[INFO] [stdout]    --> src/scanner.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     line: u32,
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `col`
[INFO] [stdout]    --> src/scanner.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     col: u32
[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/scanner.rs:179:10
[INFO] [stdout]     |
[INFO] [stdout] 179 | #[derive(Debug)]
[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: field is never read: `message`
[INFO] [stdout]   --> src/parse.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: field is never read: `line`
[INFO] [stdout]   --> src/parse.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     line: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: field is never read: `col`
[INFO] [stdout]   --> src/parse.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     col: u32
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/parse.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c44942eab8d2ff97dc38213dd545809374a0b858402c22c40021284c088976a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44942eab8d2ff97dc38213dd545809374a0b858402c22c40021284c088976a6", kill_on_drop: false }`
[INFO] [stdout] c44942eab8d2ff97dc38213dd545809374a0b858402c22c40021284c088976a6
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0c7f8d2c539cf08498a15a0dc1add51d3a010dd058ea7b61d60027fcc1d6255
[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" "a0c7f8d2c539cf08498a15a0dc1add51d3a010dd058ea7b61d60027fcc1d6255", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `IDENT`
[INFO] [stderr]    --> src/scanner.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     IDENT,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:167:10
[INFO] [stderr]     |
[INFO] [stderr] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `STRING`
[INFO] [stderr]    --> src/scanner.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     STRING,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:167:10
[INFO] [stderr]     |
[INFO] [stderr] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `KEYWORD`
[INFO] [stderr]    --> src/scanner.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     KEYWORD,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:167:10
[INFO] [stderr]     |
[INFO] [stderr] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: variant is never constructed: `SYMBOL`
[INFO] [stderr]    --> src/scanner.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     SYMBOL,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TokenName` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:167:10
[INFO] [stderr]     |
[INFO] [stderr] 167 | #[derive(Clone, Copy, Debug, Eq, PartialEq)]
[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: field is never read: `value`
[INFO] [stderr]    --> src/scanner.rs:182:5
[INFO] [stderr]     |
[INFO] [stderr] 182 |     value: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:179:10
[INFO] [stderr]     |
[INFO] [stderr] 179 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]    --> src/scanner.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     line: u32,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:179:10
[INFO] [stderr]     |
[INFO] [stderr] 179 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `col`
[INFO] [stderr]    --> src/scanner.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     col: u32
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/scanner.rs:179:10
[INFO] [stderr]     |
[INFO] [stderr] 179 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]   --> src/parse.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     message: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parse.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/parse.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parse.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `col`
[INFO] [stderr]   --> src/parse.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     col: u32
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/parse.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `snek` (bin "snek" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snek-ad13d6f6cb1a2977)
[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" "a0c7f8d2c539cf08498a15a0dc1add51d3a010dd058ea7b61d60027fcc1d6255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c7f8d2c539cf08498a15a0dc1add51d3a010dd058ea7b61d60027fcc1d6255", kill_on_drop: false }`
[INFO] [stdout] a0c7f8d2c539cf08498a15a0dc1add51d3a010dd058ea7b61d60027fcc1d6255