[INFO] fetching crate prune_derive 0.1.6...
[INFO] testing prune_derive-0.1.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate prune_derive 0.1.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate prune_derive 0.1.6
[INFO] finished tweaking crates.io crate prune_derive 0.1.6
[INFO] tweaked toml for crates.io crate prune_derive 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prune_derive 0.1.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ecde1c3a8ad206d7ea253f0feb745ab95ec850bd64ebc948a683ecdbcfca00b
[INFO] running `Command { std: "docker" "start" "-a" "9ecde1c3a8ad206d7ea253f0feb745ab95ec850bd64ebc948a683ecdbcfca00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ecde1c3a8ad206d7ea253f0feb745ab95ec850bd64ebc948a683ecdbcfca00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ecde1c3a8ad206d7ea253f0feb745ab95ec850bd64ebc948a683ecdbcfca00b", kill_on_drop: false }`
[INFO] [stdout] 9ecde1c3a8ad206d7ea253f0feb745ab95ec850bd64ebc948a683ecdbcfca00b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d11aa79f7641861cba17e737263bf88808ab8c2607f32200579b0fc18bb5a99
[INFO] running `Command { std: "docker" "start" "-a" "6d11aa79f7641861cba17e737263bf88808ab8c2607f32200579b0fc18bb5a99", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling prune v0.1.6
[INFO] [stderr]    Compiling prune_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}", ...),
[INFO] [stdout]    |                                                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("{}", "#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "6d11aa79f7641861cba17e737263bf88808ab8c2607f32200579b0fc18bb5a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d11aa79f7641861cba17e737263bf88808ab8c2607f32200579b0fc18bb5a99", kill_on_drop: false }`
[INFO] [stdout] 6d11aa79f7641861cba17e737263bf88808ab8c2607f32200579b0fc18bb5a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9611ee7e3baece836e58c7b548bd5a283ae79a5aa768e4b1730821ffdefb4f4c
[INFO] running `Command { std: "docker" "start" "-a" "9611ee7e3baece836e58c7b548bd5a283ae79a5aa768e4b1730821ffdefb4f4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling prune v0.1.6
[INFO] [stderr]    Compiling prune_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}", ...),
[INFO] [stdout]    |                                                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("{}", "#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:61:62
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}", ...),
[INFO] [stdout]    |                                                                   +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 61 |         _ => panic!("{}", "#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stdout]    |                     +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "9611ee7e3baece836e58c7b548bd5a283ae79a5aa768e4b1730821ffdefb4f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9611ee7e3baece836e58c7b548bd5a283ae79a5aa768e4b1730821ffdefb4f4c", kill_on_drop: false }`
[INFO] [stdout] 9611ee7e3baece836e58c7b548bd5a283ae79a5aa768e4b1730821ffdefb4f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4da4c9214c2f6ea3c4b4a082bd95c32f691fd9cdb5ad73cbf53122755ad6dc0f
[INFO] running `Command { std: "docker" "start" "-a" "4da4c9214c2f6ea3c4b4a082bd95c32f691fd9cdb5ad73cbf53122755ad6dc0f", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/lib.rs:61:62
[INFO] [stderr]    |
[INFO] [stderr] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stderr]    |                                                              ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 61 |         _ => panic!("#[derive(Prune)] Not support this type: {:?}", ...),
[INFO] [stderr]    |                                                                   +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 61 |         _ => panic!("{}", "#[derive(Prune)] Not support this type: {:?}"),
[INFO] [stderr]    |                     +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `prune_derive` (lib) generated 1 warning (run `cargo fix --lib -p prune_derive` to apply 1 suggestion)
[INFO] [stderr] warning: `prune_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prune_derive-24c18816cc0aa32f)
[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/custom.rs (/opt/rustwide/target/debug/deps/custom-fc3df04fa3045efc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prune_custom ... ok
[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] [stderr]      Running tests/enum.rs (/opt/rustwide/target/debug/deps/enum-d9d380b31a19fd9d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_prune_enum_tuple ... ok
[INFO] [stdout] test test_prune_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/named_struct.rs (/opt/rustwide/target/debug/deps/named_struct-e4bf83d627a7b4b3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prune_named_struct ... ok
[INFO] [stderr]      Running tests/option.rs (/opt/rustwide/target/debug/deps/option-8526395d42a28cc3)
[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 1 test
[INFO] [stdout] test test_prune_option ... ok
[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] [stderr]      Running tests/trim.rs (/opt/rustwide/target/debug/deps/trim-31054a4820c29ab9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prune ... ok
[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] [stderr]      Running tests/unnamed_struct.rs (/opt/rustwide/target/debug/deps/unnamed_struct-9a59983a24fba83d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prune_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-ba1cadfa1b403cee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_prune_vec ... ok
[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] [stderr]    Doc-tests prune_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" "4da4c9214c2f6ea3c4b4a082bd95c32f691fd9cdb5ad73cbf53122755ad6dc0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da4c9214c2f6ea3c4b4a082bd95c32f691fd9cdb5ad73cbf53122755ad6dc0f", kill_on_drop: false }`
[INFO] [stdout] 4da4c9214c2f6ea3c4b4a082bd95c32f691fd9cdb5ad73cbf53122755ad6dc0f