[INFO] fetching crate prime_gen 1.0.1...
[INFO] testing prime_gen-1.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate prime_gen 1.0.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate prime_gen 1.0.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prime_gen 1.0.1
[INFO] finished tweaking crates.io crate prime_gen 1.0.1
[INFO] tweaked toml for crates.io crate prime_gen 1.0.1 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate prime_gen 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46a1d82f3cd97cfd8cdeeb92320ae2dd650c92c7066f16a1e68ab4dbd2c99177
[INFO] running `Command { std: "docker" "start" "-a" "46a1d82f3cd97cfd8cdeeb92320ae2dd650c92c7066f16a1e68ab4dbd2c99177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a1d82f3cd97cfd8cdeeb92320ae2dd650c92c7066f16a1e68ab4dbd2c99177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a1d82f3cd97cfd8cdeeb92320ae2dd650c92c7066f16a1e68ab4dbd2c99177", kill_on_drop: false }`
[INFO] [stdout] 46a1d82f3cd97cfd8cdeeb92320ae2dd650c92c7066f16a1e68ab4dbd2c99177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ec69446f4281a489b8bd798442cf53ae2a92bd2a89f3ad3b94d7f03037b110
[INFO] running `Command { std: "docker" "start" "-a" "52ec69446f4281a489b8bd798442cf53ae2a92bd2a89f3ad3b94d7f03037b110", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling prime_gen v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "52ec69446f4281a489b8bd798442cf53ae2a92bd2a89f3ad3b94d7f03037b110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ec69446f4281a489b8bd798442cf53ae2a92bd2a89f3ad3b94d7f03037b110", kill_on_drop: false }`
[INFO] [stdout] 52ec69446f4281a489b8bd798442cf53ae2a92bd2a89f3ad3b94d7f03037b110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa7e07ba1f4b9950be281be45123a78c802de7eefccad0f6fd554486e2c8ad2b
[INFO] running `Command { std: "docker" "start" "-a" "fa7e07ba1f4b9950be281be45123a78c802de7eefccad0f6fd554486e2c8ad2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling prime_gen v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fa7e07ba1f4b9950be281be45123a78c802de7eefccad0f6fd554486e2c8ad2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7e07ba1f4b9950be281be45123a78c802de7eefccad0f6fd554486e2c8ad2b", kill_on_drop: false }`
[INFO] [stdout] fa7e07ba1f4b9950be281be45123a78c802de7eefccad0f6fd554486e2c8ad2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9bc1d21e182a8644f8834b4eeedc8432f029d60ddbf5c85031d00fea249bd69
[INFO] running `Command { std: "docker" "start" "-a" "b9bc1d21e182a8644f8834b4eeedc8432f029d60ddbf5c85031d00fea249bd69", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prime_gen-2da7de26c8360354)
[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" "b9bc1d21e182a8644f8834b4eeedc8432f029d60ddbf5c85031d00fea249bd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9bc1d21e182a8644f8834b4eeedc8432f029d60ddbf5c85031d00fea249bd69", kill_on_drop: false }`
[INFO] [stdout] b9bc1d21e182a8644f8834b4eeedc8432f029d60ddbf5c85031d00fea249bd69