[INFO] fetching crate bobascript 0.1.4...
[INFO] checking bobascript-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bobascript 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate bobascript 0.1.4 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bobascript 0.1.4
[INFO] finished tweaking crates.io crate bobascript 0.1.4
[INFO] tweaked toml for crates.io crate bobascript 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (available: v0.5.7)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding lalrpop v0.19.12 (available: v0.21.0)
[INFO] [stderr]       Adding lalrpop-util v0.19.12 (available: v0.21.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding phf_shared v0.10.0 (available: v0.11.2)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding siphasher v0.3.11 (available: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding term v0.7.0 (available: v1.0.0)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e81d8ce3ad53152319f6cd31aa86e79d4d9ef3084c2a0988a21d10e342bb7b
[INFO] running `Command { std: "docker" "start" "-a" "c1e81d8ce3ad53152319f6cd31aa86e79d4d9ef3084c2a0988a21d10e342bb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e81d8ce3ad53152319f6cd31aa86e79d4d9ef3084c2a0988a21d10e342bb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e81d8ce3ad53152319f6cd31aa86e79d4d9ef3084c2a0988a21d10e342bb7b", kill_on_drop: false }`
[INFO] [stdout] c1e81d8ce3ad53152319f6cd31aa86e79d4d9ef3084c2a0988a21d10e342bb7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2630dc0763da217b7d881ad35831a5d1d67ec15a9463918867f43391e63660
[INFO] running `Command { std: "docker" "start" "-a" "ff2630dc0763da217b7d881ad35831a5d1d67ec15a9463918867f43391e63660", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling bobascript-parser v0.1.4
[INFO] [stderr]     Checking bobascript v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `with_scope` and `end_scope` are never used
[INFO] [stdout]    --> src/compiler/compiler.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Compiler {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |   pub(super) fn with_scope<F>(&mut self, f: F)
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |   fn end_scope(&mut self) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `with_scope` and `end_scope` are never used
[INFO] [stdout]    --> src/compiler/compiler.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Compiler {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |   pub(super) fn with_scope<F>(&mut self, f: F)
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |   fn end_scope(&mut self) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "ff2630dc0763da217b7d881ad35831a5d1d67ec15a9463918867f43391e63660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2630dc0763da217b7d881ad35831a5d1d67ec15a9463918867f43391e63660", kill_on_drop: false }`
[INFO] [stdout] ff2630dc0763da217b7d881ad35831a5d1d67ec15a9463918867f43391e63660