[INFO] fetching crate dropcheck 0.1.1...
[INFO] testing dropcheck-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate dropcheck 0.1.1 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate dropcheck 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dropcheck 0.1.1
[INFO] finished tweaking crates.io crate dropcheck 0.1.1
[INFO] tweaked toml for crates.io crate dropcheck 0.1.1 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 226d54a9259f0fb5058102d22e57145ea009326626455b8cf85779bc5433a228
[INFO] running `Command { std: "docker" "start" "-a" "226d54a9259f0fb5058102d22e57145ea009326626455b8cf85779bc5433a228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226d54a9259f0fb5058102d22e57145ea009326626455b8cf85779bc5433a228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226d54a9259f0fb5058102d22e57145ea009326626455b8cf85779bc5433a228", kill_on_drop: false }`
[INFO] [stdout] 226d54a9259f0fb5058102d22e57145ea009326626455b8cf85779bc5433a228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aa9514d6e52d1254af459fe8bf55035dfc204b4f1a78d96dc8167b2d95570e7
[INFO] running `Command { std: "docker" "start" "-a" "6aa9514d6e52d1254af459fe8bf55035dfc204b4f1a78d96dc8167b2d95570e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dropcheck v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:113:46
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}"),
[INFO] [stdout]     |                                              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}", ...),
[INFO] [stdout]     |                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("{}", "invalid drop count: {}"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6aa9514d6e52d1254af459fe8bf55035dfc204b4f1a78d96dc8167b2d95570e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa9514d6e52d1254af459fe8bf55035dfc204b4f1a78d96dc8167b2d95570e7", kill_on_drop: false }`
[INFO] [stdout] 6aa9514d6e52d1254af459fe8bf55035dfc204b4f1a78d96dc8167b2d95570e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcd04c5b8b844bfa17130fd85857ebff4944ae3e8e8363883c9b4958fd5014d
[INFO] running `Command { std: "docker" "start" "-a" "9bcd04c5b8b844bfa17130fd85857ebff4944ae3e8e8363883c9b4958fd5014d", kill_on_drop: false }`
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:113:46
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}"),
[INFO] [stdout]     |                                              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}", ...),
[INFO] [stdout]     |                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("{}", "invalid drop count: {}"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dropcheck v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:113:46
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}"),
[INFO] [stdout]     |                                              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("invalid drop count: {}", ...),
[INFO] [stdout]     |                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 113 |             _ => panic!("{}", "invalid drop count: {}"),
[INFO] [stdout]     |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "9bcd04c5b8b844bfa17130fd85857ebff4944ae3e8e8363883c9b4958fd5014d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcd04c5b8b844bfa17130fd85857ebff4944ae3e8e8363883c9b4958fd5014d", kill_on_drop: false }`
[INFO] [stdout] 9bcd04c5b8b844bfa17130fd85857ebff4944ae3e8e8363883c9b4958fd5014d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fbabcfa4c8253c705178385ade7c7d48be2d487368610b343d839e84e128d36
[INFO] running `Command { std: "docker" "start" "-a" "9fbabcfa4c8253c705178385ade7c7d48be2d487368610b343d839e84e128d36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:113:46
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => panic!("invalid drop count: {}"),
[INFO] [stderr]     |                                              ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => panic!("invalid drop count: {}", ...),
[INFO] [stderr]     |                                                 +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 113 |             _ => panic!("{}", "invalid drop count: {}"),
[INFO] [stderr]     |                         +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `dropcheck` (lib) generated 1 warning
[INFO] [stderr] warning: `dropcheck` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dropcheck-ba65cb943058ca41)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dropcheck
[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 7 tests
[INFO] [stdout] test src/lib.rs - DropCheck::none_dropped (line 212) ... ok
[INFO] [stdout] test src/lib.rs - DropToken (line 66) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::pair (line 185) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::all_dropped (line 235) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - DropToken (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fbabcfa4c8253c705178385ade7c7d48be2d487368610b343d839e84e128d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbabcfa4c8253c705178385ade7c7d48be2d487368610b343d839e84e128d36", kill_on_drop: false }`
[INFO] [stdout] 9fbabcfa4c8253c705178385ade7c7d48be2d487368610b343d839e84e128d36