[INFO] fetching crate reservoir 0.2.0...
[INFO] testing reservoir-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate reservoir 0.2.0 into /workspace/builds/worker-48/source
[INFO] validating manifest of crates.io crate reservoir 0.2.0 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 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-48/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b74f7a385de419bd6f4b408064aef79221308f6d16ca675934ca827ccdc2f0f
[INFO] running `Command { std: "docker" "start" "-a" "0b74f7a385de419bd6f4b408064aef79221308f6d16ca675934ca827ccdc2f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b74f7a385de419bd6f4b408064aef79221308f6d16ca675934ca827ccdc2f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b74f7a385de419bd6f4b408064aef79221308f6d16ca675934ca827ccdc2f0f", kill_on_drop: false }`
[INFO] [stdout] 0b74f7a385de419bd6f4b408064aef79221308f6d16ca675934ca827ccdc2f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea104a0c97cba808530382309d09c6da0feadb4cb68aeb091201187057322c07
[INFO] running `Command { std: "docker" "start" "-a" "ea104a0c97cba808530382309d09c6da0feadb4cb68aeb091201187057322c07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[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 5.21s
[INFO] running `Command { std: "docker" "inspect" "ea104a0c97cba808530382309d09c6da0feadb4cb68aeb091201187057322c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea104a0c97cba808530382309d09c6da0feadb4cb68aeb091201187057322c07", kill_on_drop: false }`
[INFO] [stdout] ea104a0c97cba808530382309d09c6da0feadb4cb68aeb091201187057322c07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20e1a1210597e0c5a02b73ab2c0f94be45154fbb616b262f384cd43f213da96
[INFO] running `Command { std: "docker" "start" "-a" "e20e1a1210597e0c5a02b73ab2c0f94be45154fbb616b262f384cd43f213da96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reservoir v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/reservoir-b7e5f33b0cacf206)
[INFO] running `Command { std: "docker" "inspect" "e20e1a1210597e0c5a02b73ab2c0f94be45154fbb616b262f384cd43f213da96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20e1a1210597e0c5a02b73ab2c0f94be45154fbb616b262f384cd43f213da96", kill_on_drop: false }`
[INFO] [stdout] e20e1a1210597e0c5a02b73ab2c0f94be45154fbb616b262f384cd43f213da96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d27e012a3b11c7568392c65e5222136ee7e854c360666b107ccbddd94bc442d
[INFO] running `Command { std: "docker" "start" "-a" "7d27e012a3b11c7568392c65e5222136ee7e854c360666b107ccbddd94bc442d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reservoir-b7e5f33b0cacf206)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests reservoir
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - sample (line 16) ... ok
[INFO] [stdout] test src/lib.rs - sample_into (line 65) ... ok
[INFO] [stdout] test src/lib.rs - sample_into (line 83) ... ok
[INFO] [stdout] test src/lib.rs - sample (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d27e012a3b11c7568392c65e5222136ee7e854c360666b107ccbddd94bc442d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d27e012a3b11c7568392c65e5222136ee7e854c360666b107ccbddd94bc442d", kill_on_drop: false }`
[INFO] [stdout] 7d27e012a3b11c7568392c65e5222136ee7e854c360666b107ccbddd94bc442d