[INFO] cloning repository https://github.com/josh65536/rust-is-some-deadlock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josh65536/rust-is-some-deadlock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh65536%2Frust-is-some-deadlock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh65536%2Frust-is-some-deadlock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddeb5b46b33059f3408a4f7561b4283718b01de4
[INFO] testing josh65536/rust-is-some-deadlock against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosh65536%2Frust-is-some-deadlock" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josh65536/rust-is-some-deadlock on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/josh65536/rust-is-some-deadlock
[INFO] finished tweaking git repo https://github.com/josh65536/rust-is-some-deadlock
[INFO] tweaked toml for git repo https://github.com/josh65536/rust-is-some-deadlock written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/josh65536/rust-is-some-deadlock already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] e1bbafa86c6c036929e3ce7c99058ed9e29c89c2b7db0982d01377552db1642a
[INFO] running `Command { std: "docker" "start" "-a" "e1bbafa86c6c036929e3ce7c99058ed9e29c89c2b7db0982d01377552db1642a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1bbafa86c6c036929e3ce7c99058ed9e29c89c2b7db0982d01377552db1642a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1bbafa86c6c036929e3ce7c99058ed9e29c89c2b7db0982d01377552db1642a", kill_on_drop: false }`
[INFO] [stdout] e1bbafa86c6c036929e3ce7c99058ed9e29c89c2b7db0982d01377552db1642a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] 701aefc6c00190a624c58eba806e1bc94042ba6a33bb819740e4f98eaa89949d
[INFO] running `Command { std: "docker" "start" "-a" "701aefc6c00190a624c58eba806e1bc94042ba6a33bb819740e4f98eaa89949d", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_some_deadlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `nothing`
[INFO] [stdout]   --> src/main.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn nothing(&mut self) {}
[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 0.65s
[INFO] running `Command { std: "docker" "inspect" "701aefc6c00190a624c58eba806e1bc94042ba6a33bb819740e4f98eaa89949d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701aefc6c00190a624c58eba806e1bc94042ba6a33bb819740e4f98eaa89949d", kill_on_drop: false }`
[INFO] [stdout] 701aefc6c00190a624c58eba806e1bc94042ba6a33bb819740e4f98eaa89949d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d5168b9178f75d27fe243d88e7bafd99aded458b901f5b8ef29451aab3a6c02
[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" "1d5168b9178f75d27fe243d88e7bafd99aded458b901f5b8ef29451aab3a6c02", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_some_deadlock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `nothing`
[INFO] [stdout]   --> src/main.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn nothing(&mut self) {}
[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 test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "1d5168b9178f75d27fe243d88e7bafd99aded458b901f5b8ef29451aab3a6c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5168b9178f75d27fe243d88e7bafd99aded458b901f5b8ef29451aab3a6c02", kill_on_drop: false }`
[INFO] [stdout] 1d5168b9178f75d27fe243d88e7bafd99aded458b901f5b8ef29451aab3a6c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 99f42953840a9ab3a304cabfff90c09b14ad2d1f287a2ae6e698b8e184bb286f
[INFO] running `Command { std: "docker" "start" "-a" "99f42953840a9ab3a304cabfff90c09b14ad2d1f287a2ae6e698b8e184bb286f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `nothing`
[INFO] [stderr]   --> src/main.rs:83:8
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn nothing(&mut self) {}
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/is_some_deadlock-08659f45976d19c2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99f42953840a9ab3a304cabfff90c09b14ad2d1f287a2ae6e698b8e184bb286f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f42953840a9ab3a304cabfff90c09b14ad2d1f287a2ae6e698b8e184bb286f", kill_on_drop: false }`
[INFO] [stdout] 99f42953840a9ab3a304cabfff90c09b14ad2d1f287a2ae6e698b8e184bb286f