[INFO] fetching crate debug-derive 2.1.2...
[INFO] testing debug-derive-2.1.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate debug-derive 2.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate debug-derive 2.1.2
[INFO] finished tweaking crates.io crate debug-derive 2.1.2
[INFO] tweaked toml for crates.io crate debug-derive 2.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate debug-derive 2.1.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb
[INFO] running `Command { std: "docker" "start" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling debug-derive v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling debug-derive v2.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/tests.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Unnamed(u64, String);
[INFO] [stdout]    |        ------- ^^^  ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/tests.rs:25:2
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Named {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 25 |     a: u64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 26 |     b: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tests/tests.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 |     B(A, String),
[INFO] [stdout]    |     -    ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 32 -     B(A, String),
[INFO] [stdout] 32 +     B(A, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> tests/tests.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |     VariantLongName {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 34 |         a: A,
[INFO] [stdout]    |         ^
[INFO] [stdout] 35 |         b: String,
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.02s
[INFO] running `Command { std: "docker" "inspect" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> tests/tests.rs:21:16
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Unnamed(u64, String);
[INFO] [stderr]    |        ------- ^^^  ^^^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        fields in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing these fields
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> tests/tests.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Named {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 25 |     a: u64,
[INFO] [stderr]    |     ^
[INFO] [stderr] 26 |     b: String,
[INFO] [stderr]    |     ^
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> tests/tests.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 |     B(A, String),
[INFO] [stderr]    |     -    ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 32 -     B(A, String),
[INFO] [stderr] 32 +     B(A, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `a` and `b` are never read
[INFO] [stderr]   --> tests/tests.rs:34:3
[INFO] [stderr]    |
[INFO] [stderr] 33 |     VariantLongName {
[INFO] [stderr]    |     --------------- fields in this variant
[INFO] [stderr] 34 |         a: A,
[INFO] [stderr]    |         ^
[INFO] [stderr] 35 |         b: String,
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: `debug-derive` (test "tests") generated 4 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/debug-derive/cde2851eb1aed4fd/out/debug_derive-cde2851eb1aed4fd)
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/release/build/debug-derive/9d1c044b7cbf99aa/out/tests-9d1c044b7cbf99aa)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test should_display_proper_debug ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test tests`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- should_display_proper_debug stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'should_display_proper_debug' (321) panicked at tests/tests.rs:44:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "<wasm:stripped>"
[INFO] [stdout]  right: "Unnamed(1, \"abc\")"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e7ac99010e1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5e7ac9914fda - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5e7ac99052fc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5e7ac98dd546 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5e7ac98f9779 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5e7ac9895e20 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5e7ac98f9932 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5e7ac98dd5f2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5e7ac98d6309 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5e7ac98de1fd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5e7ac991570c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5e7ac9915623 - core[a373ad73a504971]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x5e7ac9888c47 - core[a373ad73a504971]::panicking::assert_failed::<alloc[2e1b2a31b91974c5]::string::String, &str>
[INFO] [stdout]   13:     0x5e7ac988915f - <tests[c3822d066e245ef5]::should_display_proper_debug::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x5e7ac988926b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   15:     0x5e7ac9896445 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x5e7ac988fd34 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x5e7ac98994d2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x5e7ac990093f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x76e9920fedfa - <unknown>
[INFO] [stdout]   20:     0x76e9921923d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     should_display_proper_debug
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb", kill_on_drop: false }`
[INFO] [stdout] 081ff3dcc2ab060f6793c62626113c2f418db7ad33bf77acd7f583eeaf0c43cb
