[INFO] fetching crate pop-prob-cli 0.1.1...
[INFO] testing pop-prob-cli-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pop-prob-cli 0.1.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate pop-prob-cli 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pop-prob-cli 0.1.1
[INFO] finished tweaking crates.io crate pop-prob-cli 0.1.1
[INFO] tweaked toml for crates.io crate pop-prob-cli 0.1.1 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate crates.io crate pop-prob-cli 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.3.1
[INFO] [stderr]   Downloaded pop-prob v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 074f74e65b977ee323672199cb2790900177d010e44ff0cca60524aadf255d74
[INFO] running `Command { std: "docker" "start" "-a" "074f74e65b977ee323672199cb2790900177d010e44ff0cca60524aadf255d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074f74e65b977ee323672199cb2790900177d010e44ff0cca60524aadf255d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074f74e65b977ee323672199cb2790900177d010e44ff0cca60524aadf255d74", kill_on_drop: false }`
[INFO] [stdout] 074f74e65b977ee323672199cb2790900177d010e44ff0cca60524aadf255d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7505f833e64be5889640f9cce9c568bb252e22b6b1ff0551bc7ff6320b5b1f
[INFO] running `Command { std: "docker" "start" "-a" "8e7505f833e64be5889640f9cce9c568bb252e22b6b1ff0551bc7ff6320b5b1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pop-prob v0.1.1
[INFO] [stderr]    Compiling pop-prob-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.76s
[INFO] running `Command { std: "docker" "inspect" "8e7505f833e64be5889640f9cce9c568bb252e22b6b1ff0551bc7ff6320b5b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7505f833e64be5889640f9cce9c568bb252e22b6b1ff0551bc7ff6320b5b1f", kill_on_drop: false }`
[INFO] [stdout] 8e7505f833e64be5889640f9cce9c568bb252e22b6b1ff0551bc7ff6320b5b1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 121cfbd974ac32e98b271538831269f3e06d7c9bfc6d73bde4a66d5a4643195b
[INFO] running `Command { std: "docker" "start" "-a" "121cfbd974ac32e98b271538831269f3e06d7c9bfc6d73bde4a66d5a4643195b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pop-prob-cli v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "121cfbd974ac32e98b271538831269f3e06d7c9bfc6d73bde4a66d5a4643195b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121cfbd974ac32e98b271538831269f3e06d7c9bfc6d73bde4a66d5a4643195b", kill_on_drop: false }`
[INFO] [stdout] 121cfbd974ac32e98b271538831269f3e06d7c9bfc6d73bde4a66d5a4643195b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77cd78e6191987b83114aad05d38d88174b6e2c49833b4ebc326c4450f20deb0
[INFO] running `Command { std: "docker" "start" "-a" "77cd78e6191987b83114aad05d38d88174b6e2c49833b4ebc326c4450f20deb0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pop_prob_cli-158c5992e24811c2)
[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" "77cd78e6191987b83114aad05d38d88174b6e2c49833b4ebc326c4450f20deb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cd78e6191987b83114aad05d38d88174b6e2c49833b4ebc326c4450f20deb0", kill_on_drop: false }`
[INFO] [stdout] 77cd78e6191987b83114aad05d38d88174b6e2c49833b4ebc326c4450f20deb0