[INFO] fetching crate ebpf 0.0.4...
[INFO] checking ebpf-0.0.4 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate ebpf 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ebpf 0.0.4 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ebpf 0.0.4
[INFO] finished tweaking crates.io crate ebpf 0.0.4
[INFO] tweaked toml for crates.io crate ebpf 0.0.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmas-elf v0.6.2
[INFO] [stderr]   Downloaded errno v0.2.7
[INFO] [stderr]   Downloaded ioctl-sys v0.5.2
[INFO] [stderr]   Downloaded perf v0.0.1
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b00d9bccca333ccd194b83a7eafb3c899ed68c761b1a2e5b4ca38b83aeb7e641
[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" "b00d9bccca333ccd194b83a7eafb3c899ed68c761b1a2e5b4ca38b83aeb7e641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00d9bccca333ccd194b83a7eafb3c899ed68c761b1a2e5b4ca38b83aeb7e641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00d9bccca333ccd194b83a7eafb3c899ed68c761b1a2e5b4ca38b83aeb7e641", kill_on_drop: false }`
[INFO] [stdout] b00d9bccca333ccd194b83a7eafb3c899ed68c761b1a2e5b4ca38b83aeb7e641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4938e89a1cb424dc862301e712d80df42273729970f42a2b87a8a3207c734fda
[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" "4938e89a1cb424dc862301e712d80df42273729970f42a2b87a8a3207c734fda", kill_on_drop: false }`
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking perf v0.0.1
[INFO] [stderr]     Checking ebpf v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bpf.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/elf.rs:268:23
[INFO] [stdout]     |
[INFO] [stdout] 268 |     let filter = |e: &Entry| {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn sym(e: &Entry, elf: &ElfFile) -> Result<Symbol, Error> {
[INFO] [stdout]     |            ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf.rs:335:32
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys.rs:210:32
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xdp.rs:366:32
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bpf.rs:109:32
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/elf.rs:268:23
[INFO] [stdout]     |
[INFO] [stdout] 268 |     let filter = |e: &Entry| {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf.rs:287:12
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn sym(e: &Entry, elf: &ElfFile) -> Result<Symbol, Error> {
[INFO] [stdout]     |            ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elf.rs:335:32
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sys.rs:210:32
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xdp.rs:366:32
[INFO] [stdout]     |
[INFO] [stdout] 366 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "4938e89a1cb424dc862301e712d80df42273729970f42a2b87a8a3207c734fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4938e89a1cb424dc862301e712d80df42273729970f42a2b87a8a3207c734fda", kill_on_drop: false }`
[INFO] [stdout] 4938e89a1cb424dc862301e712d80df42273729970f42a2b87a8a3207c734fda