[INFO] cloning repository https://github.com/arpan-dhatt/random-shakespeare-lines
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arpan-dhatt/random-shakespeare-lines" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpan-dhatt%2Frandom-shakespeare-lines", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpan-dhatt%2Frandom-shakespeare-lines'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 932bd7d2d8cb90fc28417f7711c6feaeb4bb46a7
[INFO] testing arpan-dhatt/random-shakespeare-lines against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farpan-dhatt%2Frandom-shakespeare-lines" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arpan-dhatt/random-shakespeare-lines on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arpan-dhatt/random-shakespeare-lines
[INFO] finished tweaking git repo https://github.com/arpan-dhatt/random-shakespeare-lines
[INFO] tweaked toml for git repo https://github.com/arpan-dhatt/random-shakespeare-lines written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/arpan-dhatt/random-shakespeare-lines already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de4dbeb61d86778e76a2e46a33dc238fbba4d5508070fdf1c112961b93bef961
[INFO] running `Command { std: "docker" "start" "-a" "de4dbeb61d86778e76a2e46a33dc238fbba4d5508070fdf1c112961b93bef961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de4dbeb61d86778e76a2e46a33dc238fbba4d5508070fdf1c112961b93bef961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4dbeb61d86778e76a2e46a33dc238fbba4d5508070fdf1c112961b93bef961", kill_on_drop: false }`
[INFO] [stdout] de4dbeb61d86778e76a2e46a33dc238fbba4d5508070fdf1c112961b93bef961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26aa07f027754fd2987650e00cd5714e546df9c750ad22a1d8e9fa1614f175ea
[INFO] running `Command { std: "docker" "start" "-a" "26aa07f027754fd2987650e00cd5714e546df9c750ad22a1d8e9fa1614f175ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
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[INFO] [stderr]    Compiling tracing-core v0.1.17
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.24
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling headers v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.6.3
[INFO] [stderr]    Compiling tokio-stream v0.1.3
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling warp v0.3.0
[INFO] [stderr]    Compiling shakespeare-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `rc::Rc`, `thread`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::read_to_string, rc::Rc, sync::Arc, thread};
[INFO] [stdout]   |                               ^^^^^^             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{self, Rng, thread_rng};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "26aa07f027754fd2987650e00cd5714e546df9c750ad22a1d8e9fa1614f175ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26aa07f027754fd2987650e00cd5714e546df9c750ad22a1d8e9fa1614f175ea", kill_on_drop: false }`
[INFO] [stdout] 26aa07f027754fd2987650e00cd5714e546df9c750ad22a1d8e9fa1614f175ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722746720c47100ae95762254fe59960b4bb5fa2d61e66cd66b28e5549e41b2d
[INFO] running `Command { std: "docker" "start" "-a" "722746720c47100ae95762254fe59960b4bb5fa2d61e66cd66b28e5549e41b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling shakespeare-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `rc::Rc`, `thread`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::read_to_string, rc::Rc, sync::Arc, thread};
[INFO] [stdout]   |                               ^^^^^^             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/main.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{self, Rng, thread_rng};
[INFO] [stdout]   |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "722746720c47100ae95762254fe59960b4bb5fa2d61e66cd66b28e5549e41b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722746720c47100ae95762254fe59960b4bb5fa2d61e66cd66b28e5549e41b2d", kill_on_drop: false }`
[INFO] [stdout] 722746720c47100ae95762254fe59960b4bb5fa2d61e66cd66b28e5549e41b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47b08931dc7ae29d342c70d5797038d252006dc294c9337e4a35d519e1350d76
[INFO] running `Command { std: "docker" "start" "-a" "47b08931dc7ae29d342c70d5797038d252006dc294c9337e4a35d519e1350d76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `rc::Rc`, `thread`
[INFO] [stderr]  --> src/main.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{fs::read_to_string, rc::Rc, sync::Arc, thread};
[INFO] [stderr]   |                               ^^^^^^             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/main.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{self, Rng, thread_rng};
[INFO] [stderr]   |                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `shakespeare-server` (bin "shakespeare-server" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shakespeare_server-822bac54bf32dde8)
[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" "47b08931dc7ae29d342c70d5797038d252006dc294c9337e4a35d519e1350d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b08931dc7ae29d342c70d5797038d252006dc294c9337e4a35d519e1350d76", kill_on_drop: false }`
[INFO] [stdout] 47b08931dc7ae29d342c70d5797038d252006dc294c9337e4a35d519e1350d76