[INFO] cloning repository https://github.com/kevinclark/rsearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinclark/rsearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Frsearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Frsearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 369c4569bd35d5c6e4caf4406becd8f01cc35b65
[INFO] checking kevinclark/rsearch against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Frsearch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kevinclark/rsearch on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kevinclark/rsearch
[INFO] finished tweaking git repo https://github.com/kevinclark/rsearch
[INFO] tweaked toml for git repo https://github.com/kevinclark/rsearch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kevinclark/rsearch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38fc0af34bface8f095fd7a13b556d9e326739aa63cc37e1c0db388800aa9e93
[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" "38fc0af34bface8f095fd7a13b556d9e326739aa63cc37e1c0db388800aa9e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38fc0af34bface8f095fd7a13b556d9e326739aa63cc37e1c0db388800aa9e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fc0af34bface8f095fd7a13b556d9e326739aa63cc37e1c0db388800aa9e93", kill_on_drop: false }`
[INFO] [stdout] 38fc0af34bface8f095fd7a13b556d9e326739aa63cc37e1c0db388800aa9e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] 139fc1207070e5dae1b4544ad8dfc00c2f2a37b0ff1d4dc06548cd78a68ebc1d
[INFO] running `Command { std: "docker" "start" "-a" "139fc1207070e5dae1b4544ad8dfc00c2f2a37b0ff1d4dc06548cd78a68ebc1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking quoted_printable v0.4.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking charset v0.1.2
[INFO] [stderr]     Checking mailparse v0.12.0
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking rsearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read_u8`
[INFO] [stdout]   --> src/lib.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn read_u8(reader: &mut impl io::BufRead) -> Result<u8, io::Error>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_u8`
[INFO] [stdout]   --> src/lib.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn read_u8(reader: &mut impl io::BufRead) -> Result<u8, io::Error>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.51s
[INFO] running `Command { std: "docker" "inspect" "139fc1207070e5dae1b4544ad8dfc00c2f2a37b0ff1d4dc06548cd78a68ebc1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139fc1207070e5dae1b4544ad8dfc00c2f2a37b0ff1d4dc06548cd78a68ebc1d", kill_on_drop: false }`
[INFO] [stdout] 139fc1207070e5dae1b4544ad8dfc00c2f2a37b0ff1d4dc06548cd78a68ebc1d