[INFO] cloning repository https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds-gurukandhamoorthi%2Freservoir-sampling-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds-gurukandhamoorthi%2Freservoir-sampling-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32c42525c2b684eb0ed2d25a82883f05ed26efd1
[INFO] testing ds-gurukandhamoorthi/reservoir-sampling-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds-gurukandhamoorthi%2Freservoir-sampling-rust" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust
[INFO] finished tweaking git repo https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust
[INFO] tweaked toml for git repo https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/ds-gurukandhamoorthi/reservoir-sampling-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c150408892c5965b8d7643d54c8855e25c8a84bd1b45787e04604b7fcedbe48
[INFO] running `Command { std: "docker" "start" "-a" "8c150408892c5965b8d7643d54c8855e25c8a84bd1b45787e04604b7fcedbe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c150408892c5965b8d7643d54c8855e25c8a84bd1b45787e04604b7fcedbe48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c150408892c5965b8d7643d54c8855e25c8a84bd1b45787e04604b7fcedbe48", kill_on_drop: false }`
[INFO] [stdout] 8c150408892c5965b8d7643d54c8855e25c8a84bd1b45787e04604b7fcedbe48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc821cb1bdad21e4c01f928c21df12ba3ba52703be416cd354b3ea9a3f0ebce5
[INFO] running `Command { std: "docker" "start" "-a" "dc821cb1bdad21e4c01f928c21df12ba3ba52703be416cd354b3ea9a3f0ebce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling reservoir-sampling-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "dc821cb1bdad21e4c01f928c21df12ba3ba52703be416cd354b3ea9a3f0ebce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc821cb1bdad21e4c01f928c21df12ba3ba52703be416cd354b3ea9a3f0ebce5", kill_on_drop: false }`
[INFO] [stdout] dc821cb1bdad21e4c01f928c21df12ba3ba52703be416cd354b3ea9a3f0ebce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea0849714902e50b28401cc869a39126a77f9b6b14d25286317b178b06f720f
[INFO] running `Command { std: "docker" "start" "-a" "2ea0849714902e50b28401cc869a39126a77f9b6b14d25286317b178b06f720f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reservoir-sampling-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2ea0849714902e50b28401cc869a39126a77f9b6b14d25286317b178b06f720f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea0849714902e50b28401cc869a39126a77f9b6b14d25286317b178b06f720f", kill_on_drop: false }`
[INFO] [stdout] 2ea0849714902e50b28401cc869a39126a77f9b6b14d25286317b178b06f720f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 276a7d1e1aefe9627a35a0f966fafb413c7c6274bebe82a514887046219b448a
[INFO] running `Command { std: "docker" "start" "-a" "276a7d1e1aefe9627a35a0f966fafb413c7c6274bebe82a514887046219b448a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reservoir_sampling_rust-2ae2ee29abba2e87)
[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" "276a7d1e1aefe9627a35a0f966fafb413c7c6274bebe82a514887046219b448a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276a7d1e1aefe9627a35a0f966fafb413c7c6274bebe82a514887046219b448a", kill_on_drop: false }`
[INFO] [stdout] 276a7d1e1aefe9627a35a0f966fafb413c7c6274bebe82a514887046219b448a