[INFO] fetching crate ceres-derive 0.2.0...
[INFO] testing ceres-derive-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate ceres-derive 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ceres-derive 0.2.0
[INFO] finished tweaking crates.io crate ceres-derive 0.2.0
[INFO] tweaked toml for crates.io crate ceres-derive 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ceres-derive 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96e609f7a2afcbb4d217a39cff43fb6b3c5880e838112ae97c4c4595f253c357
[INFO] running `Command { std: "docker" "start" "-a" "96e609f7a2afcbb4d217a39cff43fb6b3c5880e838112ae97c4c4595f253c357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e609f7a2afcbb4d217a39cff43fb6b3c5880e838112ae97c4c4595f253c357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e609f7a2afcbb4d217a39cff43fb6b3c5880e838112ae97c4c4595f253c357", kill_on_drop: false }`
[INFO] [stdout] 96e609f7a2afcbb4d217a39cff43fb6b3c5880e838112ae97c4c4595f253c357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 013d1c17875e93d50e04d31964f9013948762ccfc265c003e73dc02cea95e010
[INFO] running `Command { std: "docker" "start" "-a" "013d1c17875e93d50e04d31964f9013948762ccfc265c003e73dc02cea95e010", kill_on_drop: false }`
[INFO] [stderr]    Compiling ceres-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tk` is never read
[INFO] [stdout]   --> src/arg.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Arg {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     pub field: Ident,
[INFO] [stdout] 12 |     pub tk: Token![:],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stdout]   --> src/fun.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HostFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stdout] 15 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub paren_token: Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stdout] 20 |     pub arrow_t: Token![->],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 21 |     pub return_t: Type,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "013d1c17875e93d50e04d31964f9013948762ccfc265c003e73dc02cea95e010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013d1c17875e93d50e04d31964f9013948762ccfc265c003e73dc02cea95e010", kill_on_drop: false }`
[INFO] [stdout] 013d1c17875e93d50e04d31964f9013948762ccfc265c003e73dc02cea95e010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ef790a1da0b7a2fc11cf42c6356fc22eb1f9d5fd493caaa13b8c6985f7b5527
[INFO] running `Command { std: "docker" "start" "-a" "4ef790a1da0b7a2fc11cf42c6356fc22eb1f9d5fd493caaa13b8c6985f7b5527", kill_on_drop: false }`
[INFO] [stderr]    Compiling ceres-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `tk` is never read
[INFO] [stdout]   --> src/arg.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Arg {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     pub field: Ident,
[INFO] [stdout] 12 |     pub tk: Token![:],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stdout]   --> src/fun.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HostFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stdout] 15 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub paren_token: Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stdout] 20 |     pub arrow_t: Token![->],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 21 |     pub return_t: Type,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tk` is never read
[INFO] [stdout]   --> src/arg.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Arg {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] 11 |     pub field: Ident,
[INFO] [stdout] 12 |     pub tk: Token![:],
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stdout]   --> src/fun.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct HostFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stdout] 15 |     pub vis: Visibility,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub paren_token: Paren,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stdout] 20 |     pub arrow_t: Token![->],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 21 |     pub return_t: Type,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4ef790a1da0b7a2fc11cf42c6356fc22eb1f9d5fd493caaa13b8c6985f7b5527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef790a1da0b7a2fc11cf42c6356fc22eb1f9d5fd493caaa13b8c6985f7b5527", kill_on_drop: false }`
[INFO] [stdout] 4ef790a1da0b7a2fc11cf42c6356fc22eb1f9d5fd493caaa13b8c6985f7b5527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 429273378c05e85c687b53615c759591d5c527202f9bfd4fb587e1a9ec3c7433
[INFO] running `Command { std: "docker" "start" "-a" "429273378c05e85c687b53615c759591d5c527202f9bfd4fb587e1a9ec3c7433", kill_on_drop: false }`
[INFO] [stderr] warning: field `tk` is never read
[INFO] [stderr]   --> src/arg.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Arg {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] 11 |     pub field: Ident,
[INFO] [stderr] 12 |     pub tk: Token![:],
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `vis`, `paren_token`, `arrow_t`, and `return_t` are never read
[INFO] [stderr]   --> src/fun.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct HostFunction {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 14 |     pub attrs: Vec<Attribute>,
[INFO] [stderr] 15 |     pub vis: Visibility,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub paren_token: Paren,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 19 |     pub fields: Punctuated<Arg, Token![,]>,
[INFO] [stderr] 20 |     pub arrow_t: Token![->],
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 21 |     pub return_t: Type,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ceres-derive` (lib) generated 2 warnings
[INFO] [stderr] warning: `ceres-derive` (lib test) generated 2 warnings (2 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/ceres_derive-1e9d82637192afb3)
[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 ceres_derive
[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" "429273378c05e85c687b53615c759591d5c527202f9bfd4fb587e1a9ec3c7433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429273378c05e85c687b53615c759591d5c527202f9bfd4fb587e1a9ec3c7433", kill_on_drop: false }`
[INFO] [stdout] 429273378c05e85c687b53615c759591d5c527202f9bfd4fb587e1a9ec3c7433