[INFO] fetching crate rmp 0.8.9...
[INFO] checking rmp-0.8.9 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate rmp 0.8.9 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rmp 0.8.9 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmp 0.8.9
[INFO] finished tweaking crates.io crate rmp 0.8.9
[INFO] tweaked toml for crates.io crate rmp 0.8.9 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc42730c058548635e9ba6688f854c49b6f9e64f1ef5e5336546b11b1a27bc99
[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" "cc42730c058548635e9ba6688f854c49b6f9e64f1ef5e5336546b11b1a27bc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc42730c058548635e9ba6688f854c49b6f9e64f1ef5e5336546b11b1a27bc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc42730c058548635e9ba6688f854c49b6f9e64f1ef5e5336546b11b1a27bc99", kill_on_drop: false }`
[INFO] [stdout] cc42730c058548635e9ba6688f854c49b6f9e64f1ef5e5336546b11b1a27bc99
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9118143cb2408103c7e1b20eeeae3bb2a7fe4a201a2740bf91bcacb00737e48c
[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" "9118143cb2408103c7e1b20eeeae3bb2a7fe4a201a2740bf91bcacb00737e48c", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rmp v0.8.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `decode::str::read_str_ref`: useless, use `read_str_from_slice` instead
[INFO] [stdout]   --> src/decode/mod.rs:21:66
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/marker.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: use of deprecated function `decode::str::read_str_ref`: useless, use `read_str_from_slice` instead
[INFO] [stdout]   --> src/decode/mod.rs:21:66
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use self::str::{read_str_len, read_str, read_str_from_slice, read_str_ref, DecodeStringError};
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/marker.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             _ => unreachable!(),
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "9118143cb2408103c7e1b20eeeae3bb2a7fe4a201a2740bf91bcacb00737e48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9118143cb2408103c7e1b20eeeae3bb2a7fe4a201a2740bf91bcacb00737e48c", kill_on_drop: false }`
[INFO] [stdout] 9118143cb2408103c7e1b20eeeae3bb2a7fe4a201a2740bf91bcacb00737e48c
