[INFO] fetching crate ttail 0.1.0...
[INFO] testing ttail-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ttail 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ttail 0.1.0
[INFO] finished tweaking crates.io crate ttail 0.1.0
[INFO] tweaked toml for crates.io crate ttail 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ttail 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 ttail 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c6031b171bf9fa8b2d2735bfa3c1f5c487b9d21c2809aeaabfba76abb5bf4928
[INFO] running `Command { std: "docker" "start" "-a" "c6031b171bf9fa8b2d2735bfa3c1f5c487b9d21c2809aeaabfba76abb5bf4928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6031b171bf9fa8b2d2735bfa3c1f5c487b9d21c2809aeaabfba76abb5bf4928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6031b171bf9fa8b2d2735bfa3c1f5c487b9d21c2809aeaabfba76abb5bf4928", kill_on_drop: false }`
[INFO] [stdout] c6031b171bf9fa8b2d2735bfa3c1f5c487b9d21c2809aeaabfba76abb5bf4928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ec6ff926d1f5a274157e85edd50de25b457e7db911621a8de8fd1376636a6c11
[INFO] running `Command { std: "docker" "start" "-a" "ec6ff926d1f5a274157e85edd50de25b457e7db911621a8de8fd1376636a6c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ec6ff926d1f5a274157e85edd50de25b457e7db911621a8de8fd1376636a6c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6ff926d1f5a274157e85edd50de25b457e7db911621a8de8fd1376636a6c11", kill_on_drop: false }`
[INFO] [stdout] ec6ff926d1f5a274157e85edd50de25b457e7db911621a8de8fd1376636a6c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8e408e834c9da092348499a332dfb63015bd3fa058276bec07cd35ef24fa8b2
[INFO] running `Command { std: "docker" "start" "-a" "e8e408e834c9da092348499a332dfb63015bd3fa058276bec07cd35ef24fa8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e8e408e834c9da092348499a332dfb63015bd3fa058276bec07cd35ef24fa8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e408e834c9da092348499a332dfb63015bd3fa058276bec07cd35ef24fa8b2", kill_on_drop: false }`
[INFO] [stdout] e8e408e834c9da092348499a332dfb63015bd3fa058276bec07cd35ef24fa8b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b9cbdd3e8e0056545b1f3aa6f9a1f29ec4722372d7001af87b374a2ffadffe0a
[INFO] running `Command { std: "docker" "start" "-a" "b9cbdd3e8e0056545b1f3aa6f9a1f29ec4722372d7001af87b374a2ffadffe0a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ttail-ab436c88ac4e0f67)
[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" "b9cbdd3e8e0056545b1f3aa6f9a1f29ec4722372d7001af87b374a2ffadffe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cbdd3e8e0056545b1f3aa6f9a1f29ec4722372d7001af87b374a2ffadffe0a", kill_on_drop: false }`
[INFO] [stdout] b9cbdd3e8e0056545b1f3aa6f9a1f29ec4722372d7001af87b374a2ffadffe0a