[INFO] cloning repository https://github.com/jayconrod/rscodeswitch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayconrod/rscodeswitch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayconrod%2Frscodeswitch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayconrod%2Frscodeswitch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8472bc770353d87fc7d881f170f8fb83fc16761
[INFO] checking jayconrod/rscodeswitch against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayconrod%2Frscodeswitch" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jayconrod/rscodeswitch
[INFO] finished tweaking git repo https://github.com/jayconrod/rscodeswitch
[INFO] tweaked toml for git repo https://github.com/jayconrod/rscodeswitch written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jayconrod/rscodeswitch on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jayconrod/rscodeswitch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.12
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded unified-diff v0.2.1
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v2.2.2
[INFO] [stderr]   Downloaded lazy-regex v2.2.2
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded rustix v0.33.3
[INFO] [stderr]   Downloaded clap v3.0.13
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded fd-lock v3.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6dfbba999849bc006be33ee3a964ef53e3ecfa4c15329e7fc73e7ad7fbeb149
[INFO] running `Command { std: "docker" "start" "-a" "b6dfbba999849bc006be33ee3a964ef53e3ecfa4c15329e7fc73e7ad7fbeb149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6dfbba999849bc006be33ee3a964ef53e3ecfa4c15329e7fc73e7ad7fbeb149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6dfbba999849bc006be33ee3a964ef53e3ecfa4c15329e7fc73e7ad7fbeb149", kill_on_drop: false }`
[INFO] [stdout] b6dfbba999849bc006be33ee3a964ef53e3ecfa4c15329e7fc73e7ad7fbeb149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81610c03cb67118e5badad5761adf180bb911040132ecf149d7ee819c02e72f6
[INFO] running `Command { std: "docker" "start" "-a" "81610c03cb67118e5badad5761adf180bb911040132ecf149d7ee819c02e72f6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling io-lifetimes v0.5.3
[INFO] [stderr]    Compiling rustix v0.33.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking linux-raw-sys v0.0.42
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking unified-diff v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking fd-lock v3.0.4
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.2.2
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking lazy-regex v2.2.2
[INFO] [stderr]     Checking clap v3.0.13
[INFO] [stderr]     Checking codeswitch v0.1.0 (/opt/rustwide/workdir/codeswitch)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 |     Large(LargeSpan),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 276 -     Large(LargeSpan),
[INFO] [stdout] 276 +     Large(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:276:11
[INFO] [stdout]     |
[INFO] [stdout] 276 |     Large(LargeSpan),
[INFO] [stdout]     |     ----- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 276 -     Large(LargeSpan),
[INFO] [stdout] 276 +     Large(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `marks` and `size` are never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | struct SmallSpan {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 288 |     marks: Bitmap,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `marks` and `size` are never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | struct SmallSpan {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 288 |     marks: Bitmap,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 297 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `begin` and `size` are never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 313 | struct LargeSpan {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 314 |     /// Address of the lowest byte in the span.
[INFO] [stdout] 315 |     begin: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `begin` and `size` are never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 313 | struct LargeSpan {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 314 |     /// Address of the lowest byte in the span.
[INFO] [stdout] 315 |     begin: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     size: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_index` is never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | struct Page {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 330 |     /// Index of the span containing the page.
[INFO] [stdout] 331 |     span_index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_index` is never read
[INFO] [stdout]    --> codeswitch/src/heap.rs:331:5
[INFO] [stdout]     |
[INFO] [stdout] 329 | struct Page {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 330 |     /// Index of the span containing the page.
[INFO] [stdout] 331 |     span_index: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking codeswitch_lua v0.1.0 (/opt/rustwide/workdir/codeswitch_lua)
[INFO] [stderr]     Checking codeswitch_lox v0.1.0 (/opt/rustwide/workdir/codeswitch_lox)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> codeswitch_lua/src/scope.rs:1148:12
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn top(&mut self) -> &Scope {
[INFO] [stdout]      |            ^^^^^^^^^     ^^^^^^
[INFO] [stdout]      |            |             ||
[INFO] [stdout]      |            |             |the same lifetime is hidden here
[INFO] [stdout]      |            |             the same lifetime is elided here
[INFO] [stdout]      |            the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn top(&mut self) -> &Scope<'_> {
[INFO] [stdout]      |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> codeswitch_lua/src/scope.rs:1156:21
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn local_parent(&self) -> Option<&Scope> {
[INFO] [stdout]      |                     ^^^^^            ^^^^^^
[INFO] [stdout]      |                     |                ||
[INFO] [stdout]      |                     |                |the same lifetime is hidden here
[INFO] [stdout]      |                     |                the same lifetime is elided here
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn local_parent(&self) -> Option<&Scope<'_>> {
[INFO] [stdout]      |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> codeswitch_lua/src/scope.rs:1148:12
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn top(&mut self) -> &Scope {
[INFO] [stdout]      |            ^^^^^^^^^     ^^^^^^
[INFO] [stdout]      |            |             ||
[INFO] [stdout]      |            |             |the same lifetime is hidden here
[INFO] [stdout]      |            |             the same lifetime is elided here
[INFO] [stdout]      |            the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     fn top(&mut self) -> &Scope<'_> {
[INFO] [stdout]      |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> codeswitch_lua/src/scope.rs:1156:21
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn local_parent(&self) -> Option<&Scope> {
[INFO] [stdout]      |                     ^^^^^            ^^^^^^
[INFO] [stdout]      |                     |                ||
[INFO] [stdout]      |                     |                |the same lifetime is hidden here
[INFO] [stdout]      |                     |                the same lifetime is elided here
[INFO] [stdout]      |                     the lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     fn local_parent(&self) -> Option<&Scope<'_>> {
[INFO] [stdout]      |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.02s
[INFO] running `Command { std: "docker" "inspect" "81610c03cb67118e5badad5761adf180bb911040132ecf149d7ee819c02e72f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81610c03cb67118e5badad5761adf180bb911040132ecf149d7ee819c02e72f6", kill_on_drop: false }`
[INFO] [stdout] 81610c03cb67118e5badad5761adf180bb911040132ecf149d7ee819c02e72f6
