[INFO] cloning repository https://github.com/k4t0mono/inner-thread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k4t0mono/inner-thread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4t0mono%2Finner-thread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4t0mono%2Finner-thread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 707a4fd62de74b95e6c331068f1c23a3e808fa8d
[INFO] checking k4t0mono/inner-thread against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk4t0mono%2Finner-thread" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k4t0mono/inner-thread on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k4t0mono/inner-thread
[INFO] finished tweaking git repo https://github.com/k4t0mono/inner-thread
[INFO] tweaked toml for git repo https://github.com/k4t0mono/inner-thread written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/k4t0mono/inner-thread already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", 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] 288f685c3dc807f6dd560faf4eed48f67f9c17056ab976f910be0def39943ee6
[INFO] running `Command { std: "docker" "start" "-a" "288f685c3dc807f6dd560faf4eed48f67f9c17056ab976f910be0def39943ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "288f685c3dc807f6dd560faf4eed48f67f9c17056ab976f910be0def39943ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288f685c3dc807f6dd560faf4eed48f67f9c17056ab976f910be0def39943ee6", kill_on_drop: false }`
[INFO] [stdout] 288f685c3dc807f6dd560faf4eed48f67f9c17056ab976f910be0def39943ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40c6b41ae44ad17e43a8c7e6ee9b119ba2b04431b3f03c34ae2bd47d81cb883b
[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" "40c6b41ae44ad17e43a8c7e6ee9b119ba2b04431b3f03c34ae2bd47d81cb883b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking inner-thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `get_deck`
[INFO] [stdout]   --> src/oracle.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_deck(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/oracle.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_type(&self) -> &Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_text`
[INFO] [stdout]   --> src/oracle.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_text(&self) -> &Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_deck`
[INFO] [stdout]   --> src/oracle.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn get_deck(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_type`
[INFO] [stdout]   --> src/oracle.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_type(&self) -> &Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_text`
[INFO] [stdout]   --> src/oracle.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_text(&self) -> &Option<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.13s
[INFO] running `Command { std: "docker" "inspect" "40c6b41ae44ad17e43a8c7e6ee9b119ba2b04431b3f03c34ae2bd47d81cb883b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c6b41ae44ad17e43a8c7e6ee9b119ba2b04431b3f03c34ae2bd47d81cb883b", kill_on_drop: false }`
[INFO] [stdout] 40c6b41ae44ad17e43a8c7e6ee9b119ba2b04431b3f03c34ae2bd47d81cb883b