[INFO] fetching crate nursery 0.0.1...
[INFO] checking nursery-0.0.1 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate nursery 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nursery 0.0.1 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nursery 0.0.1
[INFO] finished tweaking crates.io crate nursery 0.0.1
[INFO] tweaked toml for crates.io crate nursery 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", 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] 967a9ff90c6b7ea5dcd31c78f4b018d7789ecffb9b0895c2d1b9cec95d9f53c0
[INFO] running `Command { std: "docker" "start" "-a" "967a9ff90c6b7ea5dcd31c78f4b018d7789ecffb9b0895c2d1b9cec95d9f53c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "967a9ff90c6b7ea5dcd31c78f4b018d7789ecffb9b0895c2d1b9cec95d9f53c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967a9ff90c6b7ea5dcd31c78f4b018d7789ecffb9b0895c2d1b9cec95d9f53c0", kill_on_drop: false }`
[INFO] [stdout] 967a9ff90c6b7ea5dcd31c78f4b018d7789ecffb9b0895c2d1b9cec95d9f53c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3049f8dfd31a4aa8a64cece2330a98f3dc9096c8d1cf9f80cdb69e950a416f
[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" "dc3049f8dfd31a4aa8a64cece2330a98f3dc9096c8d1cf9f80cdb69e950a416f", kill_on_drop: false }`
[INFO] [stderr]     Checking nursery v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |     err_handler: Option<Box<FnMut() -> () + 'a>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> () + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:109:43
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn schedule(&mut self, mut h: Box<Schedulable>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn Schedulable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |     err_handler: Option<Box<FnMut() -> () + 'a>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> () + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:109:43
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn schedule(&mut self, mut h: Box<Schedulable>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^ help: use `dyn`: `dyn Schedulable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dc3049f8dfd31a4aa8a64cece2330a98f3dc9096c8d1cf9f80cdb69e950a416f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3049f8dfd31a4aa8a64cece2330a98f3dc9096c8d1cf9f80cdb69e950a416f", kill_on_drop: false }`
[INFO] [stdout] dc3049f8dfd31a4aa8a64cece2330a98f3dc9096c8d1cf9f80cdb69e950a416f