[INFO] fetching crate hstrace_derive 0.0.1...
[INFO] testing hstrace_derive-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate hstrace_derive 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate hstrace_derive 0.0.1
[INFO] finished tweaking crates.io crate hstrace_derive 0.0.1
[INFO] tweaked toml for crates.io crate hstrace_derive 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hstrace_derive 0.0.1 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 5 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8a20a4efb9f793b5859a5ac130e5a5411ee87dc9a339cc5f3475fdae7fd63e69
[INFO] running `Command { std: "docker" "start" "-a" "8a20a4efb9f793b5859a5ac130e5a5411ee87dc9a339cc5f3475fdae7fd63e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a20a4efb9f793b5859a5ac130e5a5411ee87dc9a339cc5f3475fdae7fd63e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a20a4efb9f793b5859a5ac130e5a5411ee87dc9a339cc5f3475fdae7fd63e69", kill_on_drop: false }`
[INFO] [stdout] 8a20a4efb9f793b5859a5ac130e5a5411ee87dc9a339cc5f3475fdae7fd63e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3e8d69e5d20e80b379a4b665a6aa5f68bb5361acc5e588b90ea7136b4cd60b8
[INFO] running `Command { std: "docker" "start" "-a" "e3e8d69e5d20e80b379a4b665a6aa5f68bb5361acc5e588b90ea7136b4cd60b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling hstrace_derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `c_struct` is never read
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Fields<'a> {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 109 |     pub fields: Vec<&'a Field>,
[INFO] [stdout] 110 |     pub c_struct: Ident,
[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 2.84s
[INFO] running `Command { std: "docker" "inspect" "e3e8d69e5d20e80b379a4b665a6aa5f68bb5361acc5e588b90ea7136b4cd60b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e8d69e5d20e80b379a4b665a6aa5f68bb5361acc5e588b90ea7136b4cd60b8", kill_on_drop: false }`
[INFO] [stdout] e3e8d69e5d20e80b379a4b665a6aa5f68bb5361acc5e588b90ea7136b4cd60b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5f056e04585664708a4ddd2e669ae78bf3097fbabcfd4012cdccfb2358396e03
[INFO] running `Command { std: "docker" "start" "-a" "5f056e04585664708a4ddd2e669ae78bf3097fbabcfd4012cdccfb2358396e03", kill_on_drop: false }`
[INFO] [stderr]    Compiling hstrace_derive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `c_struct` is never read
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Fields<'a> {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 109 |     pub fields: Vec<&'a Field>,
[INFO] [stdout] 110 |     pub c_struct: Ident,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `c_struct` is never read
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct Fields<'a> {
[INFO] [stdout]     |        ------ field in this struct
[INFO] [stdout] 109 |     pub fields: Vec<&'a Field>,
[INFO] [stdout] 110 |     pub c_struct: Ident,
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "5f056e04585664708a4ddd2e669ae78bf3097fbabcfd4012cdccfb2358396e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f056e04585664708a4ddd2e669ae78bf3097fbabcfd4012cdccfb2358396e03", kill_on_drop: false }`
[INFO] [stdout] 5f056e04585664708a4ddd2e669ae78bf3097fbabcfd4012cdccfb2358396e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d3c80f36f1c2524add376b95e6cd686c12dc26b4ede540c77f1ba2a2fa534f9a
[INFO] running `Command { std: "docker" "start" "-a" "d3c80f36f1c2524add376b95e6cd686c12dc26b4ede540c77f1ba2a2fa534f9a", kill_on_drop: false }`
[INFO] [stderr] warning: field `c_struct` is never read
[INFO] [stderr]    --> src/lib.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 108 | struct Fields<'a> {
[INFO] [stderr]     |        ------ field in this struct
[INFO] [stderr] 109 |     pub fields: Vec<&'a Field>,
[INFO] [stderr] 110 |     pub c_struct: Ident,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hstrace_derive` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:320:9
[INFO] [stderr]     |
[INFO] [stderr] 320 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hstrace_derive` (lib test) generated 2 warnings (1 duplicate) (run `cargo fix --lib -p hstrace_derive --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hstrace_derive-fcf4be10eae25d65)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_from_c_struct_2 ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hstrace_derive
[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" "d3c80f36f1c2524add376b95e6cd686c12dc26b4ede540c77f1ba2a2fa534f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c80f36f1c2524add376b95e6cd686c12dc26b4ede540c77f1ba2a2fa534f9a", kill_on_drop: false }`
[INFO] [stdout] d3c80f36f1c2524add376b95e6cd686c12dc26b4ede540c77f1ba2a2fa534f9a