[INFO] fetching crate keystone 0.9.0...
[INFO] checking keystone-0.9.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate keystone 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate keystone 0.9.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keystone 0.9.0
[INFO] finished tweaking crates.io crate keystone 0.9.0
[INFO] tweaked toml for crates.io crate keystone 0.9.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9019d51b8b2daecb6aca7ed78cf5b5253188655d8cf7711e0678a77a4bcf52de
[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" "9019d51b8b2daecb6aca7ed78cf5b5253188655d8cf7711e0678a77a4bcf52de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9019d51b8b2daecb6aca7ed78cf5b5253188655d8cf7711e0678a77a4bcf52de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9019d51b8b2daecb6aca7ed78cf5b5253188655d8cf7711e0678a77a4bcf52de", kill_on_drop: false }`
[INFO] [stdout] 9019d51b8b2daecb6aca7ed78cf5b5253188655d8cf7711e0678a77a4bcf52de
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0201c43b5e888cce55417187c95121e3ed7cb371e3a6c376d7b5ad7bebef0b9
[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" "f0201c43b5e888cce55417187c95121e3ed7cb371e3a6c376d7b5ad7bebef0b9", kill_on_drop: false }`
[INFO] [stderr]     Checking keystone v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/keystone_const.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags! {
[INFO] [stdout] 19 | |     pub flags Mode : u32 {
[INFO] [stdout] 20 | |         const MODE_LITTLE_ENDIAN = 0,
[INFO] [stdout] 21 | |         const MODE_BIG_ENDIAN = 1073741824,
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[INFO] [stdout] 40 | | }
[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/keystone_const.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags! {
[INFO] [stdout] 19 | |     pub flags Mode : u32 {
[INFO] [stdout] 20 | |         const MODE_LITTLE_ENDIAN = 0,
[INFO] [stdout] 21 | |         const MODE_BIG_ENDIAN = 1073741824,
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[INFO] [stdout] 40 | | }
[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/keystone_const.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / bitflags! {
[INFO] [stdout] 90 | |     pub flags OptionValue : libc::size_t {
[INFO] [stdout] 91 | |         const OPT_SYNTAX_INTEL = 1,
[INFO] [stdout] 92 | |         const OPT_SYNTAX_ATT = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |     }
[INFO] [stdout] 97 | | }
[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/keystone_const.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / bitflags! {
[INFO] [stdout] 90 | |     pub flags OptionValue : libc::size_t {
[INFO] [stdout] 91 | |         const OPT_SYNTAX_INTEL = 1,
[INFO] [stdout] 92 | |         const OPT_SYNTAX_ATT = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |     }
[INFO] [stdout] 97 | | }
[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/keystone_const.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | / bitflags! {
[INFO] [stdout] 100 | |     pub flags Error : u32 {
[INFO] [stdout] 101 | |         const ERR_ASM = 128,
[INFO] [stdout] 102 | |         const ERR_ASM_ARCH = 512,
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     }
[INFO] [stdout] 147 | | }
[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/keystone_const.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | / bitflags! {
[INFO] [stdout] 100 | |     pub flags Error : u32 {
[INFO] [stdout] 101 | |         const ERR_ASM = 128,
[INFO] [stdout] 102 | |         const ERR_ASM_ARCH = 512,
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     }
[INFO] [stdout] 147 | | }
[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:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             try!(f.write_fmt(format_args!("{:02x}", byte)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/keystone_const.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags! {
[INFO] [stdout] 19 | |     pub flags Mode : u32 {
[INFO] [stdout] 20 | |         const MODE_LITTLE_ENDIAN = 0,
[INFO] [stdout] 21 | |         const MODE_BIG_ENDIAN = 1073741824,
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[INFO] [stdout] 40 | | }
[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/keystone_const.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / bitflags! {
[INFO] [stdout] 19 | |     pub flags Mode : u32 {
[INFO] [stdout] 20 | |         const MODE_LITTLE_ENDIAN = 0,
[INFO] [stdout] 21 | |         const MODE_BIG_ENDIAN = 1073741824,
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     }
[INFO] [stdout] 40 | | }
[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/keystone_const.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / bitflags! {
[INFO] [stdout] 90 | |     pub flags OptionValue : libc::size_t {
[INFO] [stdout] 91 | |         const OPT_SYNTAX_INTEL = 1,
[INFO] [stdout] 92 | |         const OPT_SYNTAX_ATT = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |     }
[INFO] [stdout] 97 | | }
[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/keystone_const.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / bitflags! {
[INFO] [stdout] 90 | |     pub flags OptionValue : libc::size_t {
[INFO] [stdout] 91 | |         const OPT_SYNTAX_INTEL = 1,
[INFO] [stdout] 92 | |         const OPT_SYNTAX_ATT = 2,
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |     }
[INFO] [stdout] 97 | | }
[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/keystone_const.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | / bitflags! {
[INFO] [stdout] 100 | |     pub flags Error : u32 {
[INFO] [stdout] 101 | |         const ERR_ASM = 128,
[INFO] [stdout] 102 | |         const ERR_ASM_ARCH = 512,
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     }
[INFO] [stdout] 147 | | }
[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/keystone_const.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | / bitflags! {
[INFO] [stdout] 100 | |     pub flags Error : u32 {
[INFO] [stdout] 101 | |         const ERR_ASM = 128,
[INFO] [stdout] 102 | |         const ERR_ASM_ARCH = 512,
[INFO] [stdout] ...   |
[INFO] [stdout] 146 | |     }
[INFO] [stdout] 147 | | }
[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:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             try!(f.write_fmt(format_args!("{:02x}", byte)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "f0201c43b5e888cce55417187c95121e3ed7cb371e3a6c376d7b5ad7bebef0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0201c43b5e888cce55417187c95121e3ed7cb371e3a6c376d7b5ad7bebef0b9", kill_on_drop: false }`
[INFO] [stdout] f0201c43b5e888cce55417187c95121e3ed7cb371e3a6c376d7b5ad7bebef0b9
