[INFO] fetching crate reservoir 0.2.0...
[INFO] testing reservoir-0.2.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate reservoir 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reservoir 0.2.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reservoir 0.2.0
[INFO] finished tweaking crates.io crate reservoir 0.2.0
[INFO] tweaked toml for crates.io crate reservoir 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f1e05f707edc0213e5719c32a9b0549978d734244dbba1c626595e23a5241c5
[INFO] running `Command { std: "docker" "start" "-a" "7f1e05f707edc0213e5719c32a9b0549978d734244dbba1c626595e23a5241c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f1e05f707edc0213e5719c32a9b0549978d734244dbba1c626595e23a5241c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1e05f707edc0213e5719c32a9b0549978d734244dbba1c626595e23a5241c5", kill_on_drop: false }`
[INFO] [stdout] 7f1e05f707edc0213e5719c32a9b0549978d734244dbba1c626595e23a5241c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e5314b3f812451f767862ee10e5f50ff58c7392cf2f53c5815a1fd21b1e8de
[INFO] running `Command { std: "docker" "start" "-a" "71e5314b3f812451f767862ee10e5f50ff58c7392cf2f53c5815a1fd21b1e8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling reservoir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "71e5314b3f812451f767862ee10e5f50ff58c7392cf2f53c5815a1fd21b1e8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e5314b3f812451f767862ee10e5f50ff58c7392cf2f53c5815a1fd21b1e8de", kill_on_drop: false }`
[INFO] [stdout] 71e5314b3f812451f767862ee10e5f50ff58c7392cf2f53c5815a1fd21b1e8de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3deaec39a406143a5794535bf68ee5b99c0716a1ca4e74b1997cc6e7f34bb3d
[INFO] running `Command { std: "docker" "start" "-a" "b3deaec39a406143a5794535bf68ee5b99c0716a1ca4e74b1997cc6e7f34bb3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling reservoir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "b3deaec39a406143a5794535bf68ee5b99c0716a1ca4e74b1997cc6e7f34bb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3deaec39a406143a5794535bf68ee5b99c0716a1ca4e74b1997cc6e7f34bb3d", kill_on_drop: false }`
[INFO] [stdout] b3deaec39a406143a5794535bf68ee5b99c0716a1ca4e74b1997cc6e7f34bb3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51288c474c5619f1ac3a0fdecc5174c66dde5eb9fe3590b3067524bac765cad8
[INFO] running `Command { std: "docker" "start" "-a" "51288c474c5619f1ac3a0fdecc5174c66dde5eb9fe3590b3067524bac765cad8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reservoir-d0e0efb1d660481b)
[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] [stderr]    Doc-tests reservoir
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - sample_into (line 65) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 16) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 34) ... ok
[INFO] [stdout] test src/lib.rs - sample_into (line 83) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51288c474c5619f1ac3a0fdecc5174c66dde5eb9fe3590b3067524bac765cad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51288c474c5619f1ac3a0fdecc5174c66dde5eb9fe3590b3067524bac765cad8", kill_on_drop: false }`
[INFO] [stdout] 51288c474c5619f1ac3a0fdecc5174c66dde5eb9fe3590b3067524bac765cad8