[INFO] cloning repository https://github.com/jbreck1987/bgp_oxide_serde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbreck1987/bgp_oxide_serde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbreck1987%2Fbgp_oxide_serde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbreck1987%2Fbgp_oxide_serde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d16b2cc481b8e814387e6a483943adc9bdb8fd70
[INFO] checking jbreck1987/bgp_oxide_serde against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbreck1987%2Fbgp_oxide_serde" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jbreck1987/bgp_oxide_serde
[INFO] finished tweaking git repo https://github.com/jbreck1987/bgp_oxide_serde
[INFO] tweaked toml for git repo https://github.com/jbreck1987/bgp_oxide_serde written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbreck1987/bgp_oxide_serde on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jbreck1987/bgp_oxide_serde already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b982d2ef793421a8c09e67e97f1763274de8b9a07491292f0e0510ac12ab5c81
[INFO] running `Command { std: "docker" "start" "-a" "b982d2ef793421a8c09e67e97f1763274de8b9a07491292f0e0510ac12ab5c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b982d2ef793421a8c09e67e97f1763274de8b9a07491292f0e0510ac12ab5c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b982d2ef793421a8c09e67e97f1763274de8b9a07491292f0e0510ac12ab5c81", kill_on_drop: false }`
[INFO] [stdout] b982d2ef793421a8c09e67e97f1763274de8b9a07491292f0e0510ac12ab5c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8072b594e95c27091f9ee45be708e8d3956b16b11abe7bc9fef573bc8b614e64
[INFO] running `Command { std: "docker" "start" "-a" "8072b594e95c27091f9ee45be708e8d3956b16b11abe7bc9fef573bc8b614e64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking bgp4_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             _ => f.write_str("Undefined metadata.")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/error.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             SerializerError::CustomMsg(msg) => f.write_str(msg),
[INFO] [stdout]    |             ------------------------------- matches some of the same values
[INFO] [stdout] 28 |             SerializerError::UnsupportedSignedInt(Some(msg)) => {
[INFO] [stdout]    |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 31 |             SerializerError::UnsupportedSignedInt(None) => {
[INFO] [stdout]    |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 34 |             SerializerError::UnsupportedFloat(Some(msg)) => {
[INFO] [stdout]    |             -------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             _ => f.write_str("Undefined metadata.")
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/error.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             _ => f.write_str("Undefined metadata.")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/error.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             SerializerError::CustomMsg(msg) => f.write_str(msg),
[INFO] [stdout]    |             ------------------------------- matches some of the same values
[INFO] [stdout] 28 |             SerializerError::UnsupportedSignedInt(Some(msg)) => {
[INFO] [stdout]    |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 31 |             SerializerError::UnsupportedSignedInt(None) => {
[INFO] [stdout]    |             ------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 34 |             SerializerError::UnsupportedFloat(Some(msg)) => {
[INFO] [stdout]    |             -------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 52 |             _ => f.write_str("Undefined metadata.")
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.41s
[INFO] running `Command { std: "docker" "inspect" "8072b594e95c27091f9ee45be708e8d3956b16b11abe7bc9fef573bc8b614e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8072b594e95c27091f9ee45be708e8d3956b16b11abe7bc9fef573bc8b614e64", kill_on_drop: false }`
[INFO] [stdout] 8072b594e95c27091f9ee45be708e8d3956b16b11abe7bc9fef573bc8b614e64