[INFO] fetching crate practise 0.1.1...
[INFO] testing practise-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate practise 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate practise 0.1.1
[INFO] finished tweaking crates.io crate practise 0.1.1
[INFO] tweaked toml for crates.io crate practise 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate practise 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate practise 0.1.1 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a77400e373bdfbf25d5822090d41f387c07cefeb21a2e4c7a5989bf5492053
[INFO] running `Command { std: "docker" "start" "-a" "83a77400e373bdfbf25d5822090d41f387c07cefeb21a2e4c7a5989bf5492053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a77400e373bdfbf25d5822090d41f387c07cefeb21a2e4c7a5989bf5492053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a77400e373bdfbf25d5822090d41f387c07cefeb21a2e4c7a5989bf5492053", kill_on_drop: false }`
[INFO] [stdout] 83a77400e373bdfbf25d5822090d41f387c07cefeb21a2e4c7a5989bf5492053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8dfe15f119ca746867ec536ee65261bb0ff2aa70c1af9ec75cc8e26c33c2e1d
[INFO] running `Command { std: "docker" "start" "-a" "d8dfe15f119ca746867ec536ee65261bb0ff2aa70c1af9ec75cc8e26c33c2e1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling practise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "d8dfe15f119ca746867ec536ee65261bb0ff2aa70c1af9ec75cc8e26c33c2e1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8dfe15f119ca746867ec536ee65261bb0ff2aa70c1af9ec75cc8e26c33c2e1d", kill_on_drop: false }`
[INFO] [stdout] d8dfe15f119ca746867ec536ee65261bb0ff2aa70c1af9ec75cc8e26c33c2e1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd6a2e00e59da9e005bfbb8c51544dd90c849fbfa67eb320a8f10cbbfae93bd
[INFO] running `Command { std: "docker" "start" "-a" "fcd6a2e00e59da9e005bfbb8c51544dd90c849fbfa67eb320a8f10cbbfae93bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling practise v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "fcd6a2e00e59da9e005bfbb8c51544dd90c849fbfa67eb320a8f10cbbfae93bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd6a2e00e59da9e005bfbb8c51544dd90c849fbfa67eb320a8f10cbbfae93bd", kill_on_drop: false }`
[INFO] [stdout] fcd6a2e00e59da9e005bfbb8c51544dd90c849fbfa67eb320a8f10cbbfae93bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07e9f69e0d8e59033a2319e6a6894c95979a52cb62d713156c6fd533cf1a56f5
[INFO] running `Command { std: "docker" "start" "-a" "07e9f69e0d8e59033a2319e6a6894c95979a52cb62d713156c6fd533cf1a56f5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practise-cdc93ee4cbcce97a)
[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" "07e9f69e0d8e59033a2319e6a6894c95979a52cb62d713156c6fd533cf1a56f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e9f69e0d8e59033a2319e6a6894c95979a52cb62d713156c6fd533cf1a56f5", kill_on_drop: false }`
[INFO] [stdout] 07e9f69e0d8e59033a2319e6a6894c95979a52cb62d713156c6fd533cf1a56f5