[INFO] cloning repository https://github.com/gardrek/bollox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gardrek/bollox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgardrek%2Fbollox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgardrek%2Fbollox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c67774421957c3e34fbac4451a150b781f2a80c
[INFO] testing gardrek/bollox 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%2Fgardrek%2Fbollox" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gardrek/bollox 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/gardrek/bollox
[INFO] finished tweaking git repo https://github.com/gardrek/bollox
[INFO] tweaked toml for git repo https://github.com/gardrek/bollox written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/gardrek/bollox 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 9a5183ff6213d16a396ca144d9123f1b344dfa14ca2702581be43edc20790969
[INFO] running `Command { std: "docker" "start" "-a" "9a5183ff6213d16a396ca144d9123f1b344dfa14ca2702581be43edc20790969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5183ff6213d16a396ca144d9123f1b344dfa14ca2702581be43edc20790969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5183ff6213d16a396ca144d9123f1b344dfa14ca2702581be43edc20790969", kill_on_drop: false }`
[INFO] [stdout] 9a5183ff6213d16a396ca144d9123f1b344dfa14ca2702581be43edc20790969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] a95a2e0cf172893103c377e49a87633425f373e7667d1a4c0983574771f7e006
[INFO] running `Command { std: "docker" "start" "-a" "a95a2e0cf172893103c377e49a87633425f373e7667d1a4c0983574771f7e006", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling string-interner v0.7.0
[INFO] [stderr]    Compiling bollox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::INTERNER`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::INTERNER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     location: Option<SourceLocation>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[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: variant is never constructed: `VariableAccess`
[INFO] [stdout]   --> src/ast.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     VariableAccess(Sym),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ExprKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[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: variant is never constructed: `Dynamic`
[INFO] [stdout]   --> src/object.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Dynamic(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `StringKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/object.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "a95a2e0cf172893103c377e49a87633425f373e7667d1a4c0983574771f7e006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95a2e0cf172893103c377e49a87633425f373e7667d1a4c0983574771f7e006", kill_on_drop: false }`
[INFO] [stdout] a95a2e0cf172893103c377e49a87633425f373e7667d1a4c0983574771f7e006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 4758a8d43dde4ccbe216e2050b6ee9e351bd8ca72c70259b9debdeffcd492e7b
[INFO] running `Command { std: "docker" "start" "-a" "4758a8d43dde4ccbe216e2050b6ee9e351bd8ca72c70259b9debdeffcd492e7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bollox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::INTERNER`
[INFO] [stdout]  --> src/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::INTERNER;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]  --> src/ast.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     location: Option<SourceLocation>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[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: variant is never constructed: `VariableAccess`
[INFO] [stdout]   --> src/ast.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     VariableAccess(Sym),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ExprKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[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: variant is never constructed: `Dynamic`
[INFO] [stdout]   --> src/object.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Dynamic(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `StringKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/object.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4758a8d43dde4ccbe216e2050b6ee9e351bd8ca72c70259b9debdeffcd492e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4758a8d43dde4ccbe216e2050b6ee9e351bd8ca72c70259b9debdeffcd492e7b", kill_on_drop: false }`
[INFO] [stdout] 4758a8d43dde4ccbe216e2050b6ee9e351bd8ca72c70259b9debdeffcd492e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 1484bfea1ee5f5bc1b1edba3571df14b52e6e50f88dd6d81449586023a1518ad
[INFO] running `Command { std: "docker" "start" "-a" "1484bfea1ee5f5bc1b1edba3571df14b52e6e50f88dd6d81449586023a1518ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `crate::INTERNER`
[INFO] [stderr]  --> src/parser.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::INTERNER;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `location`
[INFO] [stderr]  --> src/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     location: Option<SourceLocation>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/ast.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[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: variant is never constructed: `VariableAccess`
[INFO] [stderr]   --> src/ast.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     VariableAccess(Sym),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ExprKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ast.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[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: variant is never constructed: `Dynamic`
[INFO] [stderr]   --> src/object.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Dynamic(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `StringKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/object.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, Clone)]
[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: `bollox` (bin "bollox" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bollox-f1b969283a136075)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1484bfea1ee5f5bc1b1edba3571df14b52e6e50f88dd6d81449586023a1518ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1484bfea1ee5f5bc1b1edba3571df14b52e6e50f88dd6d81449586023a1518ad", kill_on_drop: false }`
[INFO] [stdout] 1484bfea1ee5f5bc1b1edba3571df14b52e6e50f88dd6d81449586023a1518ad