[INFO] fetching crate enum_to_enum_derive 0.1.0...
[INFO] testing enum_to_enum_derive-0.1.0 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate enum_to_enum_derive 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate enum_to_enum_derive 0.1.0
[INFO] finished tweaking crates.io crate enum_to_enum_derive 0.1.0
[INFO] tweaked toml for crates.io crate enum_to_enum_derive 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enum_to_enum_derive 0.1.0 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ff42cc8af2fdde7d9682db687b171288991e898dc6f1a6f492985157ab2156f
[INFO] running `Command { std: "docker" "start" "-a" "5ff42cc8af2fdde7d9682db687b171288991e898dc6f1a6f492985157ab2156f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff42cc8af2fdde7d9682db687b171288991e898dc6f1a6f492985157ab2156f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff42cc8af2fdde7d9682db687b171288991e898dc6f1a6f492985157ab2156f", kill_on_drop: false }`
[INFO] [stdout] 5ff42cc8af2fdde7d9682db687b171288991e898dc6f1a6f492985157ab2156f
[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" "-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75319d775cb619a030fcb27d4cf266cf66fb9fb092f2dcfb84356f5f8ae00ad0
[INFO] running `Command { std: "docker" "start" "-a" "75319d775cb619a030fcb27d4cf266cf66fb9fb092f2dcfb84356f5f8ae00ad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling enum_to_enum_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `src_case` is never read
[INFO] [stdout]  --> src/ir.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ConversionCfg {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     pub src_case: SrcCase,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionCfg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fallible` is never read
[INFO] [stdout]    --> src/ir.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct SrcCase {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 115 |     pub case_name: Ident,
[INFO] [stdout] 116 |     pub fallible: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SrcCase` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "75319d775cb619a030fcb27d4cf266cf66fb9fb092f2dcfb84356f5f8ae00ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75319d775cb619a030fcb27d4cf266cf66fb9fb092f2dcfb84356f5f8ae00ad0", kill_on_drop: false }`
[INFO] [stdout] 75319d775cb619a030fcb27d4cf266cf66fb9fb092f2dcfb84356f5f8ae00ad0
[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" "-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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7118572a07d6d51fe7181e6fd54083e678ace13fe846ba15451ca5524d96579
[INFO] running `Command { std: "docker" "start" "-a" "c7118572a07d6d51fe7181e6fd54083e678ace13fe846ba15451ca5524d96579", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling enum_to_enum_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `src_case` is never read
[INFO] [stdout]  --> src/ir.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ConversionCfg {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     pub src_case: SrcCase,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ConversionCfg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fallible` is never read
[INFO] [stdout]    --> src/ir.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct SrcCase {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 115 |     pub case_name: Ident,
[INFO] [stdout] 116 |     pub fallible: bool,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SrcCase` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/toml_datetime-ccf7962709c08e83.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c7118572a07d6d51fe7181e6fd54083e678ace13fe846ba15451ca5524d96579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7118572a07d6d51fe7181e6fd54083e678ace13fe846ba15451ca5524d96579", kill_on_drop: false }`
[INFO] [stdout] c7118572a07d6d51fe7181e6fd54083e678ace13fe846ba15451ca5524d96579