[INFO] fetching crate dync-derive 0.4.0...
[INFO] testing dync-derive-0.4.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dync-derive 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dync-derive 0.4.0
[INFO] finished tweaking crates.io crate dync-derive 0.4.0
[INFO] tweaked toml for crates.io crate dync-derive 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dync-derive 0.4.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64d5bfd513252f4ca6c122b8db75c8a51de3aa16dbe61c73e219d31951542a5a
[INFO] running `Command { std: "docker" "start" "-a" "64d5bfd513252f4ca6c122b8db75c8a51de3aa16dbe61c73e219d31951542a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64d5bfd513252f4ca6c122b8db75c8a51de3aa16dbe61c73e219d31951542a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d5bfd513252f4ca6c122b8db75c8a51de3aa16dbe61c73e219d31951542a5a", kill_on_drop: false }`
[INFO] [stdout] 64d5bfd513252f4ca6c122b8db75c8a51de3aa16dbe61c73e219d31951542a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62ab8b759715b34ad80eaf92a10e57a89280d6791fe55897d936d2f1eb1b4a6
[INFO] running `Command { std: "docker" "start" "-a" "b62ab8b759715b34ad80eaf92a10e57a89280d6791fe55897d936d2f1eb1b4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling dync-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct DynAttrib {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 33 |     ident: Ident,
[INFO] [stdout] 34 |     eq: Option<Token![=]>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DynAttrib` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 2.56s
[INFO] running `Command { std: "docker" "inspect" "b62ab8b759715b34ad80eaf92a10e57a89280d6791fe55897d936d2f1eb1b4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62ab8b759715b34ad80eaf92a10e57a89280d6791fe55897d936d2f1eb1b4a6", kill_on_drop: false }`
[INFO] [stdout] b62ab8b759715b34ad80eaf92a10e57a89280d6791fe55897d936d2f1eb1b4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] babfbb847fea39dc1b071f0cb5d7a559cefc23babf00c537a67d271e8380e19c
[INFO] running `Command { std: "docker" "start" "-a" "babfbb847fea39dc1b071f0cb5d7a559cefc23babf00c537a67d271e8380e19c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dync-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `eq` is never read
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct DynAttrib {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 33 |     ident: Ident,
[INFO] [stdout] 34 |     eq: Option<Token![=]>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DynAttrib` has a derived impl for the trait `Debug`, but this is 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 `eq` is never read
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct DynAttrib {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 33 |     ident: Ident,
[INFO] [stdout] 34 |     eq: Option<Token![=]>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DynAttrib` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 1.19s
[INFO] running `Command { std: "docker" "inspect" "babfbb847fea39dc1b071f0cb5d7a559cefc23babf00c537a67d271e8380e19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babfbb847fea39dc1b071f0cb5d7a559cefc23babf00c537a67d271e8380e19c", kill_on_drop: false }`
[INFO] [stdout] babfbb847fea39dc1b071f0cb5d7a559cefc23babf00c537a67d271e8380e19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fb5d0ec2cee1dd5db70bc419440a8c07218bcf376566d5426c228779fe6d3f3
[INFO] running `Command { std: "docker" "start" "-a" "8fb5d0ec2cee1dd5db70bc419440a8c07218bcf376566d5426c228779fe6d3f3", kill_on_drop: false }`
[INFO] [stderr] warning: field `eq` is never read
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct DynAttrib {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 33 |     ident: Ident,
[INFO] [stderr] 34 |     eq: Option<Token![=]>,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DynAttrib` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dync-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `dync-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dync_derive-be34e1a38066c541)
[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] [stderr]    Doc-tests dync_derive
[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" "8fb5d0ec2cee1dd5db70bc419440a8c07218bcf376566d5426c228779fe6d3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb5d0ec2cee1dd5db70bc419440a8c07218bcf376566d5426c228779fe6d3f3", kill_on_drop: false }`
[INFO] [stdout] 8fb5d0ec2cee1dd5db70bc419440a8c07218bcf376566d5426c228779fe6d3f3