[INFO] fetching crate magenta-sys 0.2.0...
[INFO] checking magenta-sys-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate magenta-sys 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate magenta-sys 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magenta-sys 0.2.0
[INFO] finished tweaking crates.io crate magenta-sys 0.2.0
[INFO] tweaked toml for crates.io crate magenta-sys 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c641efe0030d43f15c3e1fe3d05002e273ff0f0a1d8685308f3fad4ca640ae1
[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" "4c641efe0030d43f15c3e1fe3d05002e273ff0f0a1d8685308f3fad4ca640ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c641efe0030d43f15c3e1fe3d05002e273ff0f0a1d8685308f3fad4ca640ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c641efe0030d43f15c3e1fe3d05002e273ff0f0a1d8685308f3fad4ca640ae1", kill_on_drop: false }`
[INFO] [stdout] 4c641efe0030d43f15c3e1fe3d05002e273ff0f0a1d8685308f3fad4ca640ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88261219aee781161ae6b47226e8371bb93187792008dcb16d0ce6cf61152065
[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" "88261219aee781161ae6b47226e8371bb93187792008dcb16d0ce6cf61152065", kill_on_drop: false }`
[INFO] [stderr]     Checking magenta-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout] 61  | / bitflags! {
[INFO] [stdout] 62  | |     #[repr(C)]
[INFO] [stdout] 63  | |     pub flags mx_signals_t: u32 {
[INFO] [stdout] 64  | |         const MX_SIGNAL_NONE              = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout] 161 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout] 61  | / bitflags! {
[INFO] [stdout] 62  | |     #[repr(C)]
[INFO] [stdout] 63  | |     pub flags mx_signals_t: u32 {
[INFO] [stdout] 64  | |         const MX_SIGNAL_NONE              = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout] 161 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / bitflags! {
[INFO] [stdout] 167 | |     #[repr(C)]
[INFO] [stdout] 168 | |     pub flags mx_rights_t: u32 {
[INFO] [stdout] 169 | |         const MX_RIGHT_NONE         = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |     }
[INFO] [stdout] 181 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / bitflags! {
[INFO] [stdout] 167 | |     #[repr(C)]
[INFO] [stdout] 168 | |     pub flags mx_rights_t: u32 {
[INFO] [stdout] 169 | |         const MX_RIGHT_NONE         = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |     }
[INFO] [stdout] 181 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout] 61  | / bitflags! {
[INFO] [stdout] 62  | |     #[repr(C)]
[INFO] [stdout] 63  | |     pub flags mx_signals_t: u32 {
[INFO] [stdout] 64  | |         const MX_SIGNAL_NONE              = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout] 161 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:61:1
[INFO] [stdout]     |
[INFO] [stdout] 61  | / bitflags! {
[INFO] [stdout] 62  | |     #[repr(C)]
[INFO] [stdout] 63  | |     pub flags mx_signals_t: u32 {
[INFO] [stdout] 64  | |         const MX_SIGNAL_NONE              = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout] 161 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / bitflags! {
[INFO] [stdout] 167 | |     #[repr(C)]
[INFO] [stdout] 168 | |     pub flags mx_rights_t: u32 {
[INFO] [stdout] 169 | |         const MX_RIGHT_NONE         = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |     }
[INFO] [stdout] 181 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | / bitflags! {
[INFO] [stdout] 167 | |     #[repr(C)]
[INFO] [stdout] 168 | |     pub flags mx_rights_t: u32 {
[INFO] [stdout] 169 | |         const MX_RIGHT_NONE         = 0,
[INFO] [stdout] ...   |
[INFO] [stdout] 180 | |     }
[INFO] [stdout] 181 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1.03s
[INFO] running `Command { std: "docker" "inspect" "88261219aee781161ae6b47226e8371bb93187792008dcb16d0ce6cf61152065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88261219aee781161ae6b47226e8371bb93187792008dcb16d0ce6cf61152065", kill_on_drop: false }`
[INFO] [stdout] 88261219aee781161ae6b47226e8371bb93187792008dcb16d0ce6cf61152065