[INFO] fetching crate ju-tcs-rust-23-2 0.1.0...
[INFO] testing ju-tcs-rust-23-2-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate ju-tcs-rust-23-2 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ju-tcs-rust-23-2 0.1.0
[INFO] finished tweaking crates.io crate ju-tcs-rust-23-2 0.1.0
[INFO] tweaked toml for crates.io crate ju-tcs-rust-23-2 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ju-tcs-rust-23-2 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70fd8c3bdf90db11b9b1da998b17f66c10de2123edbdd04b6fd7f3aedd3bad5f
[INFO] running `Command { std: "docker" "start" "-a" "70fd8c3bdf90db11b9b1da998b17f66c10de2123edbdd04b6fd7f3aedd3bad5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70fd8c3bdf90db11b9b1da998b17f66c10de2123edbdd04b6fd7f3aedd3bad5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70fd8c3bdf90db11b9b1da998b17f66c10de2123edbdd04b6fd7f3aedd3bad5f", kill_on_drop: false }`
[INFO] [stdout] 70fd8c3bdf90db11b9b1da998b17f66c10de2123edbdd04b6fd7f3aedd3bad5f
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77c9aabdcec0ed64da979c52df216071806f84c64e102557a7920d6892fe346
[INFO] running `Command { std: "docker" "start" "-a" "e77c9aabdcec0ed64da979c52df216071806f84c64e102557a7920d6892fe346", kill_on_drop: false }`
[INFO] [stderr]    Compiling ju-tcs-rust-23-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e77c9aabdcec0ed64da979c52df216071806f84c64e102557a7920d6892fe346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77c9aabdcec0ed64da979c52df216071806f84c64e102557a7920d6892fe346", kill_on_drop: false }`
[INFO] [stdout] e77c9aabdcec0ed64da979c52df216071806f84c64e102557a7920d6892fe346
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0affc49a4b08196525df6f00a3b66eedf5566740b81c151f2d51d8703e1a3dd7
[INFO] running `Command { std: "docker" "start" "-a" "0affc49a4b08196525df6f00a3b66eedf5566740b81c151f2d51d8703e1a3dd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ju-tcs-rust-23-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "0affc49a4b08196525df6f00a3b66eedf5566740b81c151f2d51d8703e1a3dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0affc49a4b08196525df6f00a3b66eedf5566740b81c151f2d51d8703e1a3dd7", kill_on_drop: false }`
[INFO] [stdout] 0affc49a4b08196525df6f00a3b66eedf5566740b81c151f2d51d8703e1a3dd7
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 736065d2a98ac8729ba73d0be024cbf89d9f17864a34d26e94163be894aaf797
[INFO] running `Command { std: "docker" "start" "-a" "736065d2a98ac8729ba73d0be024cbf89d9f17864a34d26e94163be894aaf797", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ju_tcs_rust_23_2-9167c34a678ce6fc)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::head_works_with_small_n ... ok
[INFO] [stdout] test tests::tail_works_with_big_n ... ok
[INFO] [stderr]    Doc-tests ju_tcs_rust_23_2
[INFO] [stdout] test tests::tail_works_with_small_n ... ok
[INFO] [stdout] test tests::head_works_with_big_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "736065d2a98ac8729ba73d0be024cbf89d9f17864a34d26e94163be894aaf797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736065d2a98ac8729ba73d0be024cbf89d9f17864a34d26e94163be894aaf797", kill_on_drop: false }`
[INFO] [stdout] 736065d2a98ac8729ba73d0be024cbf89d9f17864a34d26e94163be894aaf797