[INFO] fetching crate prune_derive 0.1.6...
[INFO] checking prune_derive-0.1.6 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate prune_derive 0.1.6 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prune_derive 0.1.6 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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: v1.0.40)
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prune v0.1.6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bdf7678e3e634b959f5e280c3c70c5ab28f2af63e89735ebc386a3f569c43b8
[INFO] running `Command { std: "docker" "start" "-a" "2bdf7678e3e634b959f5e280c3c70c5ab28f2af63e89735ebc386a3f569c43b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bdf7678e3e634b959f5e280c3c70c5ab28f2af63e89735ebc386a3f569c43b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bdf7678e3e634b959f5e280c3c70c5ab28f2af63e89735ebc386a3f569c43b8", kill_on_drop: false }`
[INFO] [stdout] 2bdf7678e3e634b959f5e280c3c70c5ab28f2af63e89735ebc386a3f569c43b8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5319f458f44c69359ad590c152ee7da8eb1f979f911aaa7ecb220ba87f1e8a44
[INFO] running `Command { std: "docker" "start" "-a" "5319f458f44c69359ad590c152ee7da8eb1f979f911aaa7ecb220ba87f1e8a44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking prune v0.1.6
[INFO] [stderr]     Checking 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)]` 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)]` 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)]` 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 13.77s
[INFO] running `Command { std: "docker" "inspect" "5319f458f44c69359ad590c152ee7da8eb1f979f911aaa7ecb220ba87f1e8a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5319f458f44c69359ad590c152ee7da8eb1f979f911aaa7ecb220ba87f1e8a44", kill_on_drop: false }`
[INFO] [stdout] 5319f458f44c69359ad590c152ee7da8eb1f979f911aaa7ecb220ba87f1e8a44