[INFO] fetching crate snmp 0.2.2...
[INFO] checking snmp-0.2.2 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate snmp 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate snmp 0.2.2 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snmp 0.2.2
[INFO] finished tweaking crates.io crate snmp 0.2.2
[INFO] tweaked toml for crates.io crate snmp 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 539d9015ae39afb8724c9fc9480b4634f3403467db7daa53757ff54dd5166567
[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" "539d9015ae39afb8724c9fc9480b4634f3403467db7daa53757ff54dd5166567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "539d9015ae39afb8724c9fc9480b4634f3403467db7daa53757ff54dd5166567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539d9015ae39afb8724c9fc9480b4634f3403467db7daa53757ff54dd5166567", kill_on_drop: false }`
[INFO] [stdout] 539d9015ae39afb8724c9fc9480b4634f3403467db7daa53757ff54dd5166567
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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] 69eb2a3ec050012cb1cc679c8e304a0741a78773c6b1b5d7709d5af693391e66
[INFO] running `Command { std: "docker" "start" "-a" "69eb2a3ec050012cb1cc679c8e304a0741a78773c6b1b5d7709d5af693391e66", kill_on_drop: false }`
[INFO] [stderr]     Checking snmp v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:573:42
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let mut buf: ObjIdBuf = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:594:42
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let mut buf: ObjIdBuf = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:222:31
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 buf: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:573:42
[INFO] [stdout]     |
[INFO] [stdout] 573 |         let mut buf: ObjIdBuf = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:594:42
[INFO] [stdout]     |
[INFO] [stdout] 594 |         let mut buf: ObjIdBuf = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:222:31
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 buf: unsafe { mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:348:21
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let mut wbuf = self.available();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:348:21
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 let mut wbuf = self.available();
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[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] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let version = try!(rdr.read_asn_integer());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:40:29
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let community = try!(rdr.read_asn_octetstring());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let msg_ident = try!(rdr.peek_byte());
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 let req_id = try!(rdr.read_asn_integer());
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 let error_status = try!(rdr.read_asn_integer());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let error_index = try!(rdr.read_asn_integer());
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> benches/bench.rs:53:36
[INFO] [stdout]    |
[INFO] [stdout] 53 |                         let name = try!(rdr.read_asn_objectidentifier());
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "69eb2a3ec050012cb1cc679c8e304a0741a78773c6b1b5d7709d5af693391e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69eb2a3ec050012cb1cc679c8e304a0741a78773c6b1b5d7709d5af693391e66", kill_on_drop: false }`
[INFO] [stdout] 69eb2a3ec050012cb1cc679c8e304a0741a78773c6b1b5d7709d5af693391e66