[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 master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbreck1987%2Fbgp_oxide_serde" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbreck1987/bgp_oxide_serde on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e39827d3c15df26b2014c3aa7ec73a8efec4e0f39eaf07ed20398d5c64bee79
[INFO] running `Command { std: "docker" "start" "-a" "0e39827d3c15df26b2014c3aa7ec73a8efec4e0f39eaf07ed20398d5c64bee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e39827d3c15df26b2014c3aa7ec73a8efec4e0f39eaf07ed20398d5c64bee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e39827d3c15df26b2014c3aa7ec73a8efec4e0f39eaf07ed20398d5c64bee79", kill_on_drop: false }`
[INFO] [stdout] 0e39827d3c15df26b2014c3aa7ec73a8efec4e0f39eaf07ed20398d5c64bee79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61216b5ff9c5004a38f50b9400390c28262958931ad0a6671c280e6bc46b8fe
[INFO] running `Command { std: "docker" "start" "-a" "a61216b5ff9c5004a38f50b9400390c28262958931ad0a6671c280e6bc46b8fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "a61216b5ff9c5004a38f50b9400390c28262958931ad0a6671c280e6bc46b8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61216b5ff9c5004a38f50b9400390c28262958931ad0a6671c280e6bc46b8fe", kill_on_drop: false }`
[INFO] [stdout] a61216b5ff9c5004a38f50b9400390c28262958931ad0a6671c280e6bc46b8fe