[INFO] fetching crate tweak 0.1.1...
[INFO] checking tweak-0.1.1 against beta for pr-78714
[INFO] extracting crate tweak 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tweak 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tweak 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tweak 0.1.1
[INFO] tweaked toml for crates.io crate tweak 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d76955dde6197b9490a1b5544afbc234d08a321b00ebed1b18df4e1dbae0427d
[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" "d76955dde6197b9490a1b5544afbc234d08a321b00ebed1b18df4e1dbae0427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d76955dde6197b9490a1b5544afbc234d08a321b00ebed1b18df4e1dbae0427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76955dde6197b9490a1b5544afbc234d08a321b00ebed1b18df4e1dbae0427d", kill_on_drop: false }`
[INFO] [stdout] d76955dde6197b9490a1b5544afbc234d08a321b00ebed1b18df4e1dbae0427d
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 81ee0df54405427e856a4a9eef72ea13894b786a594daeae878c3970280c89c3
[INFO] running `Command { std: "docker" "start" "-a" "81ee0df54405427e856a4a9eef72ea13894b786a594daeae878c3970280c89c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tweak v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/case.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cases: Vec<(Option<When<C, E>>, Option<Box<Execute<C, E>>>)>,
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Execute<C, E>`
[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/case.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn push_action(&mut self, act: Box<Execute<C, E>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Execute<C, E>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/case.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 |     cases: Vec<(Option<When<C, E>>, Option<Box<Execute<C, E>>>)>,
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn Execute<C, E>`
[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/case.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn push_action(&mut self, act: Box<Execute<C, E>>) {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Execute<C, E>`
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "81ee0df54405427e856a4a9eef72ea13894b786a594daeae878c3970280c89c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ee0df54405427e856a4a9eef72ea13894b786a594daeae878c3970280c89c3", kill_on_drop: false }`
[INFO] [stdout] 81ee0df54405427e856a4a9eef72ea13894b786a594daeae878c3970280c89c3