[INFO] fetching crate regecs-codegen 2.0.0-rc.1.0.0...
[INFO] testing regecs-codegen-2.0.0-rc.1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate regecs-codegen 2.0.0-rc.1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate regecs-codegen 2.0.0-rc.1.0.0
[INFO] finished tweaking crates.io crate regecs-codegen 2.0.0-rc.1.0.0
[INFO] tweaked toml for crates.io crate regecs-codegen 2.0.0-rc.1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regecs-codegen 2.0.0-rc.1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `regecs_codegen` library target)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6075a187ee4eba716c53fd7f54206ee94eda5598f632ccc37f60bf9a1bfeb148
[INFO] running `Command { std: "docker" "start" "-a" "6075a187ee4eba716c53fd7f54206ee94eda5598f632ccc37f60bf9a1bfeb148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6075a187ee4eba716c53fd7f54206ee94eda5598f632ccc37f60bf9a1bfeb148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6075a187ee4eba716c53fd7f54206ee94eda5598f632ccc37f60bf9a1bfeb148", kill_on_drop: false }`
[INFO] [stdout] 6075a187ee4eba716c53fd7f54206ee94eda5598f632ccc37f60bf9a1bfeb148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61df7c229d96ba60434af025d7a3acbf635ab7abfa12cd54af6123831c8a16b0
[INFO] running `Command { std: "docker" "start" "-a" "61df7c229d96ba60434af025d7a3acbf635ab7abfa12cd54af6123831c8a16b0", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `regecs_codegen` library target)
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regecs-codegen v2.0.0-rc.1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let no_clear = v.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let no_clear = f.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_index` is never used
[INFO] [stdout]   --> src/dispatch.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl FieldName {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn to_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "61df7c229d96ba60434af025d7a3acbf635ab7abfa12cd54af6123831c8a16b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61df7c229d96ba60434af025d7a3acbf635ab7abfa12cd54af6123831c8a16b0", kill_on_drop: false }`
[INFO] [stdout] 61df7c229d96ba60434af025d7a3acbf635ab7abfa12cd54af6123831c8a16b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8d4d9df1118ea90b1dd80f13785ed97934112ad2419ec72ad1982f1b7d77dd
[INFO] running `Command { std: "docker" "start" "-a" "4a8d4d9df1118ea90b1dd80f13785ed97934112ad2419ec72ad1982f1b7d77dd", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `regecs_codegen` library target)
[INFO] [stderr]    Compiling regecs-codegen v2.0.0-rc.1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let no_clear = v.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let no_clear = f.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let no_clear = v.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_clear`
[INFO] [stdout]    --> src/clear.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let no_clear = f.attrs.iter().any(|v| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_index` is never used
[INFO] [stdout]   --> src/dispatch.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl FieldName {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn to_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_index` is never used
[INFO] [stdout]   --> src/dispatch.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl FieldName {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn to_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "4a8d4d9df1118ea90b1dd80f13785ed97934112ad2419ec72ad1982f1b7d77dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8d4d9df1118ea90b1dd80f13785ed97934112ad2419ec72ad1982f1b7d77dd", kill_on_drop: false }`
[INFO] [stdout] 4a8d4d9df1118ea90b1dd80f13785ed97934112ad2419ec72ad1982f1b7d77dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd1490551c01c48126a300584becf810d8714a23aae9d46160f34c8ae3e2837d
[INFO] running `Command { std: "docker" "start" "-a" "dd1490551c01c48126a300584becf810d8714a23aae9d46160f34c8ae3e2837d", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `regecs_codegen` library target)
[INFO] [stderr] warning: unused variable: `no_clear`
[INFO] [stderr]    --> src/clear.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         let no_clear = v.attrs.iter().any(|v| {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `no_clear`
[INFO] [stderr]    --> src/clear.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let no_clear = f.attrs.iter().any(|v| {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_clear`
[INFO] [stderr] 
[INFO] [stderr] warning: method `to_index` is never used
[INFO] [stderr]   --> src/dispatch.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | impl FieldName {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn to_index(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `regecs-codegen` (lib) generated 3 warnings
[INFO] [stderr] warning: `regecs-codegen` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regecs_codegen-b2230ddf4cd4b41f)
[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] [stderr]    Doc-tests regecs_codegen
[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" "dd1490551c01c48126a300584becf810d8714a23aae9d46160f34c8ae3e2837d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1490551c01c48126a300584becf810d8714a23aae9d46160f34c8ae3e2837d", kill_on_drop: false }`
[INFO] [stdout] dd1490551c01c48126a300584becf810d8714a23aae9d46160f34c8ae3e2837d