[INFO] fetching crate tars-futures 0.1.0...
[INFO] testing tars-futures-0.1.0 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] extracting crate tars-futures 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate tars-futures 0.1.0 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tars-futures 0.1.0
[INFO] finished tweaking crates.io crate tars-futures 0.1.0
[INFO] tweaked toml for crates.io crate tars-futures 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b2606b2f9708418b27c36ecc4c7f3e9ebf3e491cb743a1db83dfa2e809d1a0
[INFO] running `Command { std: "docker" "start" "-a" "44b2606b2f9708418b27c36ecc4c7f3e9ebf3e491cb743a1db83dfa2e809d1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b2606b2f9708418b27c36ecc4c7f3e9ebf3e491cb743a1db83dfa2e809d1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b2606b2f9708418b27c36ecc4c7f3e9ebf3e491cb743a1db83dfa2e809d1a0", kill_on_drop: false }`
[INFO] [stdout] 44b2606b2f9708418b27c36ecc4c7f3e9ebf3e491cb743a1db83dfa2e809d1a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ee9c8ce621bc8cbbf34d50111e3db07a5c0092e4c0e625c51cac959dedec23d
[INFO] running `Command { std: "docker" "start" "-a" "4ee9c8ce621bc8cbbf34d50111e3db07a5c0092e4c0e625c51cac959dedec23d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "4ee9c8ce621bc8cbbf34d50111e3db07a5c0092e4c0e625c51cac959dedec23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee9c8ce621bc8cbbf34d50111e3db07a5c0092e4c0e625c51cac959dedec23d", kill_on_drop: false }`
[INFO] [stdout] 4ee9c8ce621bc8cbbf34d50111e3db07a5c0092e4c0e625c51cac959dedec23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d528ad79227f0a7a8c537d51b429f134a633b24e034271008fc24794203767
[INFO] running `Command { std: "docker" "start" "-a" "d2d528ad79227f0a7a8c537d51b429f134a633b24e034271008fc24794203767", kill_on_drop: false }`
[INFO] [stderr]    Compiling tars-futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d2d528ad79227f0a7a8c537d51b429f134a633b24e034271008fc24794203767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d528ad79227f0a7a8c537d51b429f134a633b24e034271008fc24794203767", kill_on_drop: false }`
[INFO] [stdout] d2d528ad79227f0a7a8c537d51b429f134a633b24e034271008fc24794203767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eedf2c1d15b8d479097a370b8f0c095e5f1d241b1b8179b521c8231669f596c
[INFO] running `Command { std: "docker" "start" "-a" "6eedf2c1d15b8d479097a370b8f0c095e5f1d241b1b8179b521c8231669f596c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tars_futures-7c2980a52bf51ff4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tars_futures
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "6eedf2c1d15b8d479097a370b8f0c095e5f1d241b1b8179b521c8231669f596c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eedf2c1d15b8d479097a370b8f0c095e5f1d241b1b8179b521c8231669f596c", kill_on_drop: false }`
[INFO] [stdout] 6eedf2c1d15b8d479097a370b8f0c095e5f1d241b1b8179b521c8231669f596c