[INFO] fetching crate derive_asref 0.1.0...
[INFO] testing derive_asref-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate derive_asref 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate derive_asref 0.1.0
[INFO] finished tweaking crates.io crate derive_asref 0.1.0
[INFO] tweaked toml for crates.io crate derive_asref 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_asref 0.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 28 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-triple v1.0.0
[INFO] [stderr]   Downloaded trybuild v1.0.114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6a72357745fc98cf292f866f4e8692b504095aac01259b1ebdece6995be670f7
[INFO] running `Command { std: "docker" "start" "-a" "6a72357745fc98cf292f866f4e8692b504095aac01259b1ebdece6995be670f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a72357745fc98cf292f866f4e8692b504095aac01259b1ebdece6995be670f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a72357745fc98cf292f866f4e8692b504095aac01259b1ebdece6995be670f7", kill_on_drop: false }`
[INFO] [stdout] 6a72357745fc98cf292f866f4e8692b504095aac01259b1ebdece6995be670f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 47cb450b6489d9c445509dba6e74cb8cc948144e1a7960e4bd793bbf3c3443f1
[INFO] running `Command { std: "docker" "start" "-a" "47cb450b6489d9c445509dba6e74cb8cc948144e1a7960e4bd793bbf3c3443f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling derive_asref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]  --> src/structs.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Struct {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub ident: syn::Ident,
[INFO] [stdout] 6 |     pub attrs: Vec<Attribute>,
[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 4.02s
[INFO] running `Command { std: "docker" "inspect" "47cb450b6489d9c445509dba6e74cb8cc948144e1a7960e4bd793bbf3c3443f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cb450b6489d9c445509dba6e74cb8cc948144e1a7960e4bd793bbf3c3443f1", kill_on_drop: false }`
[INFO] [stdout] 47cb450b6489d9c445509dba6e74cb8cc948144e1a7960e4bd793bbf3c3443f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a1e324dc17475f2a24665fa1df76f4d9868a2dd6fad435aa8fdda4b441640acf
[INFO] running `Command { std: "docker" "start" "-a" "a1e324dc17475f2a24665fa1df76f4d9868a2dd6fad435aa8fdda4b441640acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_spanned v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling toml_parser v1.0.4
[INFO] [stderr]    Compiling toml v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_asref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]  --> src/structs.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Struct {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub ident: syn::Ident,
[INFO] [stdout] 6 |     pub attrs: Vec<Attribute>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trybuild v1.0.114
[INFO] [stdout] warning: field `attrs` is never read
[INFO] [stdout]  --> src/structs.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Struct {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 5 |     pub ident: syn::Ident,
[INFO] [stdout] 6 |     pub attrs: Vec<Attribute>,
[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 16.29s
[INFO] running `Command { std: "docker" "inspect" "a1e324dc17475f2a24665fa1df76f4d9868a2dd6fad435aa8fdda4b441640acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e324dc17475f2a24665fa1df76f4d9868a2dd6fad435aa8fdda4b441640acf", kill_on_drop: false }`
[INFO] [stdout] a1e324dc17475f2a24665fa1df76f4d9868a2dd6fad435aa8fdda4b441640acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 895c2e084c237f960db98fd7c9f2e3f5b53168ae2bce8a1dcbb4bffb7eb000fc
[INFO] running `Command { std: "docker" "start" "-a" "895c2e084c237f960db98fd7c9f2e3f5b53168ae2bce8a1dcbb4bffb7eb000fc", kill_on_drop: false }`
[INFO] [stderr] warning: field `attrs` is never read
[INFO] [stderr]  --> src/structs.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Struct {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 5 |     pub ident: syn::Ident,
[INFO] [stderr] 6 |     pub attrs: Vec<Attribute>,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `derive_asref` (lib) generated 1 warning
[INFO] [stderr] warning: `derive_asref` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derive_asref-789d4292e3743216)
[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]      Running tests/impl_asref.rs (/opt/rustwide/target/debug/deps/impl_asref-c662ab2cf7382656)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_impl_asref ... ok
[INFO] [stderr]    Doc-tests derive_asref
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "895c2e084c237f960db98fd7c9f2e3f5b53168ae2bce8a1dcbb4bffb7eb000fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895c2e084c237f960db98fd7c9f2e3f5b53168ae2bce8a1dcbb4bffb7eb000fc", kill_on_drop: false }`
[INFO] [stdout] 895c2e084c237f960db98fd7c9f2e3f5b53168ae2bce8a1dcbb4bffb7eb000fc