[INFO] fetching crate surprise-me-derive 0.1.0...
[INFO] testing surprise-me-derive-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate surprise-me-derive 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] finished tweaking crates.io crate surprise-me-derive 0.1.0
[INFO] tweaked toml for crates.io crate surprise-me-derive 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate surprise-me-derive 0.1.0 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 4 packages to latest compatible versions
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6b2f8c013851d0c0d880287c2e1ef4b003bc9356d8287a59dd706aa96d9b8c7f
[INFO] running `Command { std: "docker" "start" "-a" "6b2f8c013851d0c0d880287c2e1ef4b003bc9356d8287a59dd706aa96d9b8c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2f8c013851d0c0d880287c2e1ef4b003bc9356d8287a59dd706aa96d9b8c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2f8c013851d0c0d880287c2e1ef4b003bc9356d8287a59dd706aa96d9b8c7f", kill_on_drop: false }`
[INFO] [stdout] 6b2f8c013851d0c0d880287c2e1ef4b003bc9356d8287a59dd706aa96d9b8c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4d0d77a4b29c981c7173761f011c690327ab39182ae289f55edb3765cabf4e84
[INFO] running `Command { std: "docker" "start" "-a" "4d0d77a4b29c981c7173761f011c690327ab39182ae289f55edb3765cabf4e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[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 5.01s
[INFO] running `Command { std: "docker" "inspect" "4d0d77a4b29c981c7173761f011c690327ab39182ae289f55edb3765cabf4e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0d77a4b29c981c7173761f011c690327ab39182ae289f55edb3765cabf4e84", kill_on_drop: false }`
[INFO] [stdout] 4d0d77a4b29c981c7173761f011c690327ab39182ae289f55edb3765cabf4e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c93d3b3fa00888d606760411ea35a0577ab72db2ae1b57eaff336e8e92471fff
[INFO] running `Command { std: "docker" "start" "-a" "c93d3b3fa00888d606760411ea35a0577ab72db2ae1b57eaff336e8e92471fff", kill_on_drop: false }`
[INFO] [stderr]    Compiling surprise-me-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[INFO] [stdout]   |                   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Attributes` is never constructed
[INFO] [stdout]  --> src/attributes.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) struct Attributes {
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "c93d3b3fa00888d606760411ea35a0577ab72db2ae1b57eaff336e8e92471fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93d3b3fa00888d606760411ea35a0577ab72db2ae1b57eaff336e8e92471fff", kill_on_drop: false }`
[INFO] [stdout] c93d3b3fa00888d606760411ea35a0577ab72db2ae1b57eaff336e8e92471fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f213cea13e9a432697c46c576cbe615c1a6363576857491ba0fa54d80d31d31b
[INFO] running `Command { std: "docker" "start" "-a" "f213cea13e9a432697c46c576cbe615c1a6363576857491ba0fa54d80d31d31b", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Attributes` is never constructed
[INFO] [stderr]  --> src/attributes.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub(crate) struct Attributes {
[INFO] [stderr]   |                   ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `surprise-me-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `surprise-me-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/surprise_me_derive-de7e720acfadd9e7)
[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 surprise_me_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" "f213cea13e9a432697c46c576cbe615c1a6363576857491ba0fa54d80d31d31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f213cea13e9a432697c46c576cbe615c1a6363576857491ba0fa54d80d31d31b", kill_on_drop: false }`
[INFO] [stdout] f213cea13e9a432697c46c576cbe615c1a6363576857491ba0fa54d80d31d31b