[INFO] fetching crate dropcheck 0.1.1...
[INFO] testing dropcheck-0.1.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate dropcheck 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dropcheck 0.1.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3783f33899dee1ec9e821ee0e1e8ff94b0c9d63085bbc45513ebe365548c4483
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3783f33899dee1ec9e821ee0e1e8ff94b0c9d63085bbc45513ebe365548c4483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3783f33899dee1ec9e821ee0e1e8ff94b0c9d63085bbc45513ebe365548c4483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3783f33899dee1ec9e821ee0e1e8ff94b0c9d63085bbc45513ebe365548c4483", kill_on_drop: false }`
[INFO] [stdout] 3783f33899dee1ec9e821ee0e1e8ff94b0c9d63085bbc45513ebe365548c4483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38dcf2f696ba1821d65717aecc0f5554cbf6e08c2bc793592a90b5d7dabb0cd0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38dcf2f696ba1821d65717aecc0f5554cbf6e08c2bc793592a90b5d7dabb0cd0", kill_on_drop: false }`
[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 0.81s
[INFO] running `Command { std: "docker" "inspect" "38dcf2f696ba1821d65717aecc0f5554cbf6e08c2bc793592a90b5d7dabb0cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38dcf2f696ba1821d65717aecc0f5554cbf6e08c2bc793592a90b5d7dabb0cd0", kill_on_drop: false }`
[INFO] [stdout] 38dcf2f696ba1821d65717aecc0f5554cbf6e08c2bc793592a90b5d7dabb0cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc77198a32dff8b1b6b697209b9353cb38b03d3ad8d2c16a6a98063636026f57
[INFO] running `Command { std: "docker" "start" "-a" "fc77198a32dff8b1b6b697209b9353cb38b03d3ad8d2c16a6a98063636026f57", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc77198a32dff8b1b6b697209b9353cb38b03d3ad8d2c16a6a98063636026f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc77198a32dff8b1b6b697209b9353cb38b03d3ad8d2c16a6a98063636026f57", kill_on_drop: false }`
[INFO] [stdout] fc77198a32dff8b1b6b697209b9353cb38b03d3ad8d2c16a6a98063636026f57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0ab7fbd0ce635f2e4f88a43c6165a40431057838a5babeb7b4fe1a1c5c8382b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0ab7fbd0ce635f2e4f88a43c6165a40431057838a5babeb7b4fe1a1c5c8382b", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dropcheck-b4d8b5ef899abc65)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests dropcheck
[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 - DropToken (line 66) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::pair (line 185) ... ok
[INFO] [stdout] test src/lib.rs - DropCheck::none_dropped (line 212) ... ok
[INFO] [stdout] test src/lib.rs - DropToken (line 54) ... 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 - (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0ab7fbd0ce635f2e4f88a43c6165a40431057838a5babeb7b4fe1a1c5c8382b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ab7fbd0ce635f2e4f88a43c6165a40431057838a5babeb7b4fe1a1c5c8382b", kill_on_drop: false }`
[INFO] [stdout] b0ab7fbd0ce635f2e4f88a43c6165a40431057838a5babeb7b4fe1a1c5c8382b