[INFO] fetching crate random_ns_guess 0.1.0...
[INFO] testing random_ns_guess-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate random_ns_guess 0.1.0 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate random_ns_guess 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4cb360eed54fd485912934c4a4b86d0912cc89884adbc1542048702d73bd987
[INFO] running `Command { std: "docker" "start" "-a" "e4cb360eed54fd485912934c4a4b86d0912cc89884adbc1542048702d73bd987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4cb360eed54fd485912934c4a4b86d0912cc89884adbc1542048702d73bd987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cb360eed54fd485912934c4a4b86d0912cc89884adbc1542048702d73bd987", kill_on_drop: false }`
[INFO] [stdout] e4cb360eed54fd485912934c4a4b86d0912cc89884adbc1542048702d73bd987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103997eb6d61d435040eb442f987d656858d0e020690c287cb186e65d620d46b
[INFO] running `Command { std: "docker" "start" "-a" "103997eb6d61d435040eb442f987d656858d0e020690c287cb186e65d620d46b", 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 0.10s
[INFO] running `Command { std: "docker" "inspect" "103997eb6d61d435040eb442f987d656858d0e020690c287cb186e65d620d46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103997eb6d61d435040eb442f987d656858d0e020690c287cb186e65d620d46b", kill_on_drop: false }`
[INFO] [stdout] 103997eb6d61d435040eb442f987d656858d0e020690c287cb186e65d620d46b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6069c46b4b4e41329214b63e8cde07e16e5e88be42dccf0110cd076d2ef9640
[INFO] running `Command { std: "docker" "start" "-a" "d6069c46b4b4e41329214b63e8cde07e16e5e88be42dccf0110cd076d2ef9640", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "d6069c46b4b4e41329214b63e8cde07e16e5e88be42dccf0110cd076d2ef9640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6069c46b4b4e41329214b63e8cde07e16e5e88be42dccf0110cd076d2ef9640", kill_on_drop: false }`
[INFO] [stdout] d6069c46b4b4e41329214b63e8cde07e16e5e88be42dccf0110cd076d2ef9640
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e99e03cf5e9aa5a5ee1f711280fee01fe77c3f2bc4d548d5d7cc5eb3af4a09ce
[INFO] running `Command { std: "docker" "start" "-a" "e99e03cf5e9aa5a5ee1f711280fee01fe77c3f2bc4d548d5d7cc5eb3af4a09ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/random_ns_guess.rs (/opt/rustwide/target/debug/deps/random_ns_guess-73b7b5a094d0f9da)
[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" "e99e03cf5e9aa5a5ee1f711280fee01fe77c3f2bc4d548d5d7cc5eb3af4a09ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99e03cf5e9aa5a5ee1f711280fee01fe77c3f2bc4d548d5d7cc5eb3af4a09ce", kill_on_drop: false }`
[INFO] [stdout] e99e03cf5e9aa5a5ee1f711280fee01fe77c3f2bc4d548d5d7cc5eb3af4a09ce