[INFO] fetching crate vos-ast 0.1.0...
[INFO] testing vos-ast-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate vos-ast 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vos-ast 0.1.0
[INFO] finished tweaking crates.io crate vos-ast 0.1.0
[INFO] tweaked toml for crates.io crate vos-ast 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vos-ast 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 127 packages to latest compatible versions
[INFO] [stderr]       Adding bigdecimal v0.3.1 (available: v0.4.10)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] [stderr]       Adding peginator v0.3.0 (available: v0.7.0)
[INFO] [stderr]       Adding vos-error v0.1.2 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85ba509fa32cbfa1f3807b54a4ec261f3a6e524ee1aaa0ef1058a353c74cc255
[INFO] running `Command { std: "docker" "start" "-a" "85ba509fa32cbfa1f3807b54a4ec261f3a6e524ee1aaa0ef1058a353c74cc255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85ba509fa32cbfa1f3807b54a4ec261f3a6e524ee1aaa0ef1058a353c74cc255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ba509fa32cbfa1f3807b54a4ec261f3a6e524ee1aaa0ef1058a353c74cc255", kill_on_drop: false }`
[INFO] [stdout] 85ba509fa32cbfa1f3807b54a4ec261f3a6e524ee1aaa0ef1058a353c74cc255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96540e2eaaa78fcb65166c76a3779b42f122a3b5c8c512b772df37a217d14c2d
[INFO] running `Command { std: "docker" "start" "-a" "96540e2eaaa78fcb65166c76a3779b42f122a3b5c8c512b772df37a217d14c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling bigdecimal v0.3.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling build-time v0.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling peginator v0.3.0
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling vos-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling lsp-types v0.93.2
[INFO] [stderr]    Compiling lsp-document v0.6.0
[INFO] [stderr]    Compiling vos-error v0.1.2
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:370:21
[INFO] [stdout]     |
[INFO] [stdout] 370 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:620:21
[INFO] [stdout]     |
[INFO] [stdout] 620 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1744:21
[INFO] [stdout]      |
[INFO] [stdout] 1744 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1902:25
[INFO] [stdout]      |
[INFO] [stdout] 1902 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1955:25
[INFO] [stdout]      |
[INFO] [stdout] 1955 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2315:21
[INFO] [stdout]      |
[INFO] [stdout] 2315 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2384:21
[INFO] [stdout]      |
[INFO] [stdout] 2384 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.93s
[INFO] running `Command { std: "docker" "inspect" "96540e2eaaa78fcb65166c76a3779b42f122a3b5c8c512b772df37a217d14c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96540e2eaaa78fcb65166c76a3779b42f122a3b5c8c512b772df37a217d14c2d", kill_on_drop: false }`
[INFO] [stdout] 96540e2eaaa78fcb65166c76a3779b42f122a3b5c8c512b772df37a217d14c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ac29e4ac2d9c3eb4038048b913ade7a53eb87f3e804bd9fce6a590ed3803bd
[INFO] running `Command { std: "docker" "start" "-a" "a7ac29e4ac2d9c3eb4038048b913ade7a53eb87f3e804bd9fce6a590ed3803bd", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:370:21
[INFO] [stdout]     |
[INFO] [stdout] 370 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:620:21
[INFO] [stdout]     |
[INFO] [stdout] 620 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1744:21
[INFO] [stdout]      |
[INFO] [stdout] 1744 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1902:25
[INFO] [stdout]      |
[INFO] [stdout] 1902 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling vos-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1955:25
[INFO] [stdout]      |
[INFO] [stdout] 1955 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2315:21
[INFO] [stdout]      |
[INFO] [stdout] 2315 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2384:21
[INFO] [stdout]      |
[INFO] [stdout] 2384 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:370:21
[INFO] [stdout]     |
[INFO] [stdout] 370 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:488:21
[INFO] [stdout]     |
[INFO] [stdout] 488 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:620:21
[INFO] [stdout]     |
[INFO] [stdout] 620 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]    --> src/parser/vos.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                     iterations += 1;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1744:21
[INFO] [stdout]      |
[INFO] [stdout] 1744 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1902:25
[INFO] [stdout]      |
[INFO] [stdout] 1902 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:1955:25
[INFO] [stdout]      |
[INFO] [stdout] 1955 |                         iterations += 1;
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2315:21
[INFO] [stdout]      |
[INFO] [stdout] 2315 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `iterations` is never read
[INFO] [stdout]     --> src/parser/vos.rs:2384:21
[INFO] [stdout]      |
[INFO] [stdout] 2384 |                     iterations += 1;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "a7ac29e4ac2d9c3eb4038048b913ade7a53eb87f3e804bd9fce6a590ed3803bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ac29e4ac2d9c3eb4038048b913ade7a53eb87f3e804bd9fce6a590ed3803bd", kill_on_drop: false }`
[INFO] [stdout] a7ac29e4ac2d9c3eb4038048b913ade7a53eb87f3e804bd9fce6a590ed3803bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a122e69ebc5704758d43cc4bf9dcf02c09cb674aca10131bd3c4ad7786928f99
[INFO] running `Command { std: "docker" "start" "-a" "a122e69ebc5704758d43cc4bf9dcf02c09cb674aca10131bd3c4ad7786928f99", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]    --> src/parser/vos.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |                     iterations += 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]    --> src/parser/vos.rs:370:21
[INFO] [stderr]     |
[INFO] [stderr] 370 |                     iterations += 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]    --> src/parser/vos.rs:488:21
[INFO] [stderr]     |
[INFO] [stderr] 488 |                     iterations += 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]    --> src/parser/vos.rs:620:21
[INFO] [stderr]     |
[INFO] [stderr] 620 |                     iterations += 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]    --> src/parser/vos.rs:764:21
[INFO] [stderr]     |
[INFO] [stderr] 764 |                     iterations += 1;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]     --> src/parser/vos.rs:1744:21
[INFO] [stderr]      |
[INFO] [stderr] 1744 |                     iterations += 1;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]     --> src/parser/vos.rs:1902:25
[INFO] [stderr]      |
[INFO] [stderr] 1902 |                         iterations += 1;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]     --> src/parser/vos.rs:1955:25
[INFO] [stderr]      |
[INFO] [stderr] 1955 |                         iterations += 1;
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]     --> src/parser/vos.rs:2315:21
[INFO] [stderr]      |
[INFO] [stderr] 2315 |                     iterations += 1;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `iterations` is never read
[INFO] [stderr]     --> src/parser/vos.rs:2384:21
[INFO] [stderr]      |
[INFO] [stderr] 2384 |                     iterations += 1;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `vos-ast` (lib) generated 10 warnings
[INFO] [stderr] warning: `vos-ast` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vos_ast-d9737811992cabc2)
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-e710dff022b7ad57)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test ready ... ok
[INFO] [stderr]    Doc-tests vos_ast
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a122e69ebc5704758d43cc4bf9dcf02c09cb674aca10131bd3c4ad7786928f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a122e69ebc5704758d43cc4bf9dcf02c09cb674aca10131bd3c4ad7786928f99", kill_on_drop: false }`
[INFO] [stdout] a122e69ebc5704758d43cc4bf9dcf02c09cb674aca10131bd3c4ad7786928f99
