[INFO] cloning repository https://github.com/mohankumargupta/fourletterwords
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohankumargupta/fourletterwords" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Ffourletterwords", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Ffourletterwords'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2be8c6197340ee52625e84d58ece85dbc35707b
[INFO] testing mohankumargupta/fourletterwords against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohankumargupta%2Ffourletterwords" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mohankumargupta/fourletterwords on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mohankumargupta/fourletterwords
[INFO] finished tweaking git repo https://github.com/mohankumargupta/fourletterwords
[INFO] tweaked toml for git repo https://github.com/mohankumargupta/fourletterwords written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mohankumargupta/fourletterwords already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] db2a112e4cb6585c4cf2601318e9283de0da2b976d5d0f9680180c45aa0a78b0
[INFO] running `Command { std: "docker" "start" "-a" "db2a112e4cb6585c4cf2601318e9283de0da2b976d5d0f9680180c45aa0a78b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db2a112e4cb6585c4cf2601318e9283de0da2b976d5d0f9680180c45aa0a78b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2a112e4cb6585c4cf2601318e9283de0da2b976d5d0f9680180c45aa0a78b0", kill_on_drop: false }`
[INFO] [stdout] db2a112e4cb6585c4cf2601318e9283de0da2b976d5d0f9680180c45aa0a78b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 36d5977c598752d14c3b0539608d57e955f64f79b588e962131e58f88cd784f7
[INFO] running `Command { std: "docker" "start" "-a" "36d5977c598752d14c3b0539608d57e955f64f79b588e962131e58f88cd784f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tendril v0.4.2
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.11
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling hyper v0.14.17
[INFO] [stderr]    Compiling soup v0.5.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling fourletterwords v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "36d5977c598752d14c3b0539608d57e955f64f79b588e962131e58f88cd784f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d5977c598752d14c3b0539608d57e955f64f79b588e962131e58f88cd784f7", kill_on_drop: false }`
[INFO] [stdout] 36d5977c598752d14c3b0539608d57e955f64f79b588e962131e58f88cd784f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed8c1e82349eb98bec245795292487e01419217cfcc1a5991b3a3a89a2d673c
[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" "3ed8c1e82349eb98bec245795292487e01419217cfcc1a5991b3a3a89a2d673c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fourletterwords v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fourletterwords-d8b47395b88d8d6a)
[INFO] running `Command { std: "docker" "inspect" "3ed8c1e82349eb98bec245795292487e01419217cfcc1a5991b3a3a89a2d673c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed8c1e82349eb98bec245795292487e01419217cfcc1a5991b3a3a89a2d673c", kill_on_drop: false }`
[INFO] [stdout] 3ed8c1e82349eb98bec245795292487e01419217cfcc1a5991b3a3a89a2d673c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 39b57ef97d350bb14eb7859f8b9d7b8fa0fcfbb65ee478e3525016b08d2f1e44
[INFO] running `Command { std: "docker" "start" "-a" "39b57ef97d350bb14eb7859f8b9d7b8fa0fcfbb65ee478e3525016b08d2f1e44", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fourletterwords-d8b47395b88d8d6a)
[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" "39b57ef97d350bb14eb7859f8b9d7b8fa0fcfbb65ee478e3525016b08d2f1e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b57ef97d350bb14eb7859f8b9d7b8fa0fcfbb65ee478e3525016b08d2f1e44", kill_on_drop: false }`
[INFO] [stdout] 39b57ef97d350bb14eb7859f8b9d7b8fa0fcfbb65ee478e3525016b08d2f1e44