[INFO] crate tokio-timer-futures2 0.2.1 is already in cache
[INFO] testing tokio-timer-futures2-0.2.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate tokio-timer-futures2 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tokio-timer-futures2 0.2.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-timer-futures2 0.2.1
[INFO] finished tweaking crates.io crate tokio-timer-futures2 0.2.1
[INFO] tweaked toml for crates.io crate tokio-timer-futures2 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86f41a570b2e453666cc302e2972afbe3733b5f79d9af1b689dc9a1383fdc245
[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" "86f41a570b2e453666cc302e2972afbe3733b5f79d9af1b689dc9a1383fdc245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f41a570b2e453666cc302e2972afbe3733b5f79d9af1b689dc9a1383fdc245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f41a570b2e453666cc302e2972afbe3733b5f79d9af1b689dc9a1383fdc245", kill_on_drop: false }`
[INFO] [stdout] 86f41a570b2e453666cc302e2972afbe3733b5f79d9af1b689dc9a1383fdc245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0405fb2345664a38ce98047ad0be8a326a8d347853f31ed12466e5703f93f8
[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" "4d0405fb2345664a38ce98047ad0be8a326a8d347853f31ed12466e5703f93f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling tokio-timer-futures2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:430:27
[INFO] [stdout]     |
[INFO] [stdout] 430 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout] 88  | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:445:27
[INFO] [stdout]     |
[INFO] [stdout] 445 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/timer.rs:451:27
[INFO] [stdout]     |
[INFO] [stdout] 451 |         write!(fmt, "{}", Error::description(self))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-timer-futures2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4d0405fb2345664a38ce98047ad0be8a326a8d347853f31ed12466e5703f93f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0405fb2345664a38ce98047ad0be8a326a8d347853f31ed12466e5703f93f8", kill_on_drop: false }`
[INFO] [stdout] 4d0405fb2345664a38ce98047ad0be8a326a8d347853f31ed12466e5703f93f8