[INFO] fetching crate double 0.2.4...
[INFO] building double-0.2.4 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate double 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate double 0.2.4 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double 0.2.4
[INFO] finished tweaking crates.io crate double 0.2.4
[INFO] tweaked toml for crates.io crate double 0.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate double 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dbfd7b3f02434b7a3808f45b5912d14bdcacae812b86594992519fb7ca13e0c
[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" "0dbfd7b3f02434b7a3808f45b5912d14bdcacae812b86594992519fb7ca13e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dbfd7b3f02434b7a3808f45b5912d14bdcacae812b86594992519fb7ca13e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbfd7b3f02434b7a3808f45b5912d14bdcacae812b86594992519fb7ca13e0c", kill_on_drop: false }`
[INFO] [stdout] 0dbfd7b3f02434b7a3808f45b5912d14bdcacae812b86594992519fb7ca13e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a150edb8590bf5660fde1a7b1b0b190674b3956601f9eec3d3577a13ec6e92
[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" "a4a150edb8590bf5660fde1a7b1b0b190674b3956601f9eec3d3577a13ec6e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling lazysort v0.2.1
[INFO] [stderr]    Compiling double v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling float-cmp v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "a4a150edb8590bf5660fde1a7b1b0b190674b3956601f9eec3d3577a13ec6e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a150edb8590bf5660fde1a7b1b0b190674b3956601f9eec3d3577a13ec6e92", kill_on_drop: false }`
[INFO] [stdout] a4a150edb8590bf5660fde1a7b1b0b190674b3956601f9eec3d3577a13ec6e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] 286f6c36992ce951c03b85b6765aad42a726fc9216c8783895e8cf979b15553b
[INFO] running `Command { std: "docker" "start" "-a" "286f6c36992ce951c03b85b6765aad42a726fc9216c8783895e8cf979b15553b", kill_on_drop: false }`
[INFO] [stderr]    Compiling double v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> examples/return_value.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub profit: Mock<(u32, u32), (i32)>,
[INFO] [stdout]    |                                  ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/unclonable.rs:58:30
[INFO] [stdout]    |
[INFO] [stdout] 58 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "286f6c36992ce951c03b85b6765aad42a726fc9216c8783895e8cf979b15553b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286f6c36992ce951c03b85b6765aad42a726fc9216c8783895e8cf979b15553b", kill_on_drop: false }`
[INFO] [stdout] 286f6c36992ce951c03b85b6765aad42a726fc9216c8783895e8cf979b15553b
