[INFO] fetching crate yarf 0.0.2...
[INFO] checking yarf-0.0.2 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate yarf 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yarf 0.0.2 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarf 0.0.2
[INFO] finished tweaking crates.io crate yarf 0.0.2
[INFO] tweaked toml for crates.io crate yarf 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-0/source/examples/hello.rs
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5459e5055f17a379e1c81fe5c7aff2719f3d8d2eb4016a933bd5f53ba62309
[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" "fd5459e5055f17a379e1c81fe5c7aff2719f3d8d2eb4016a933bd5f53ba62309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5459e5055f17a379e1c81fe5c7aff2719f3d8d2eb4016a933bd5f53ba62309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5459e5055f17a379e1c81fe5c7aff2719f3d8d2eb4016a933bd5f53ba62309", kill_on_drop: false }`
[INFO] [stdout] fd5459e5055f17a379e1c81fe5c7aff2719f3d8d2eb4016a933bd5f53ba62309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e929253e4e2db5de05bee7db7dc2ceecd1e8eca68bb1e528cb4d102803ca92ff
[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" "e929253e4e2db5de05bee7db7dc2ceecd1e8eca68bb1e528cb4d102803ca92ff", kill_on_drop: false }`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/hello.rs
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling yarf-sys v0.0.2
[INFO] [stderr]     Checking yarf v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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:370:50
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:820:35
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:826:58
[INFO] [stdout]     |
[INFO] [stdout] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[INFO] [stdout]     |                                                          ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:298:26
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub fn yarf_main(fs: Box<FileSystem>) -> i64 {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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:370:50
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let fsptr = Box::into_raw(fstmp) as *mut Box<FileSystem> as *mut c_void;
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:820:35
[INFO] [stdout]     |
[INFO] [stdout] 820 | fn get_filesystem() -> Option<Box<FileSystem>> {
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:826:58
[INFO] [stdout]     |
[INFO] [stdout] 826 |     let fsbox = unsafe { (*ctx).private_data as *mut Box<FileSystem> };
[INFO] [stdout]     |                                                          ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "e929253e4e2db5de05bee7db7dc2ceecd1e8eca68bb1e528cb4d102803ca92ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e929253e4e2db5de05bee7db7dc2ceecd1e8eca68bb1e528cb4d102803ca92ff", kill_on_drop: false }`
[INFO] [stdout] e929253e4e2db5de05bee7db7dc2ceecd1e8eca68bb1e528cb4d102803ca92ff