[INFO] fetching crate random_ns_guess 0.1.0...
[INFO] testing random_ns_guess-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate random_ns_guess 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate random_ns_guess 0.1.0
[INFO] finished tweaking crates.io crate random_ns_guess 0.1.0
[INFO] tweaked toml for crates.io crate random_ns_guess 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate random_ns_guess 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate random_ns_guess 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46ad69f5633631add334cb2c2ebf185c4981552872e3045524ac12f87f662cb0
[INFO] running `Command { std: "docker" "start" "-a" "46ad69f5633631add334cb2c2ebf185c4981552872e3045524ac12f87f662cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ad69f5633631add334cb2c2ebf185c4981552872e3045524ac12f87f662cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ad69f5633631add334cb2c2ebf185c4981552872e3045524ac12f87f662cb0", kill_on_drop: false }`
[INFO] [stdout] 46ad69f5633631add334cb2c2ebf185c4981552872e3045524ac12f87f662cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb5e132e65c5e6522f498a6677248ba2da00bb0041125bf80be0ee9e3d78e8c
[INFO] running `Command { std: "docker" "start" "-a" "0bb5e132e65c5e6522f498a6677248ba2da00bb0041125bf80be0ee9e3d78e8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_ns_guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0bb5e132e65c5e6522f498a6677248ba2da00bb0041125bf80be0ee9e3d78e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb5e132e65c5e6522f498a6677248ba2da00bb0041125bf80be0ee9e3d78e8c", kill_on_drop: false }`
[INFO] [stdout] 0bb5e132e65c5e6522f498a6677248ba2da00bb0041125bf80be0ee9e3d78e8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb66f791ebff0018946507e197e65a949c9ef0f0c2a764bbc5205461e9215487
[INFO] running `Command { std: "docker" "start" "-a" "fb66f791ebff0018946507e197e65a949c9ef0f0c2a764bbc5205461e9215487", kill_on_drop: false }`
[INFO] [stderr]    Compiling random_ns_guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "fb66f791ebff0018946507e197e65a949c9ef0f0c2a764bbc5205461e9215487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb66f791ebff0018946507e197e65a949c9ef0f0c2a764bbc5205461e9215487", kill_on_drop: false }`
[INFO] [stdout] fb66f791ebff0018946507e197e65a949c9ef0f0c2a764bbc5205461e9215487
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90ccccdd89e283806a5a65918b243469b421e97242ff13c44a95c97b1652ae28
[INFO] running `Command { std: "docker" "start" "-a" "90ccccdd89e283806a5a65918b243469b421e97242ff13c44a95c97b1652ae28", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/random_ns_guess.rs (/opt/rustwide/target/debug/deps/random_ns_guess-73b7b5a094d0f9da)
[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" "90ccccdd89e283806a5a65918b243469b421e97242ff13c44a95c97b1652ae28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ccccdd89e283806a5a65918b243469b421e97242ff13c44a95c97b1652ae28", kill_on_drop: false }`
[INFO] [stdout] 90ccccdd89e283806a5a65918b243469b421e97242ff13c44a95c97b1652ae28