[INFO] fetching crate yarns 0.4.1...
[INFO] testing yarns-0.4.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate yarns 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yarns 0.4.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yarns 0.4.1
[INFO] finished tweaking crates.io crate yarns 0.4.1
[INFO] tweaked toml for crates.io crate yarns 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f57be206ce91cd0605e2154c8d4791159359f9d25cbe9b5e3028b537db188baf
[INFO] running `Command { std: "docker" "start" "-a" "f57be206ce91cd0605e2154c8d4791159359f9d25cbe9b5e3028b537db188baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57be206ce91cd0605e2154c8d4791159359f9d25cbe9b5e3028b537db188baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57be206ce91cd0605e2154c8d4791159359f9d25cbe9b5e3028b537db188baf", kill_on_drop: false }`
[INFO] [stdout] f57be206ce91cd0605e2154c8d4791159359f9d25cbe9b5e3028b537db188baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e066d2b268856b6d8f808142898cf67db625cb2971eea7e1b11be21448d604
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "41e066d2b268856b6d8f808142898cf67db625cb2971eea7e1b11be21448d604", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "41e066d2b268856b6d8f808142898cf67db625cb2971eea7e1b11be21448d604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e066d2b268856b6d8f808142898cf67db625cb2971eea7e1b11be21448d604", kill_on_drop: false }`
[INFO] [stdout] 41e066d2b268856b6d8f808142898cf67db625cb2971eea7e1b11be21448d604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59f19c81a24474b4f761b8168a7ee253ce43730c2fcd8e295080b363e124aee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a59f19c81a24474b4f761b8168a7ee253ce43730c2fcd8e295080b363e124aee", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a59f19c81a24474b4f761b8168a7ee253ce43730c2fcd8e295080b363e124aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59f19c81a24474b4f761b8168a7ee253ce43730c2fcd8e295080b363e124aee", kill_on_drop: false }`
[INFO] [stdout] a59f19c81a24474b4f761b8168a7ee253ce43730c2fcd8e295080b363e124aee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca39972bd50a22d3e83173914d01f3484861fd77fc5d6da4e483ce1f49440326
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca39972bd50a22d3e83173914d01f3484861fd77fc5d6da4e483ce1f49440326", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yarns-1f4771e3d89c0142)
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-c1b6e67cf492902b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test main::concat_hello_goodbye ... ok
[INFO] [stdout] test main::head_hello_h ... ok
[INFO] [stdout] test main::contains_hello_hell ... ok
[INFO] [stdout] test main::substr_hello_1_3 ... ok
[INFO] [stdout] test main::len_hello ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yarns
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - substr (line 17) ... ok
[INFO] [stdout] test src/lib.rs - head (line 5) ... ok
[INFO] [stdout] test src/lib.rs - len (line 63) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 30) ... ok
[INFO] [stdout] test src/lib.rs - contains (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca39972bd50a22d3e83173914d01f3484861fd77fc5d6da4e483ce1f49440326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca39972bd50a22d3e83173914d01f3484861fd77fc5d6da4e483ce1f49440326", kill_on_drop: false }`
[INFO] [stdout] ca39972bd50a22d3e83173914d01f3484861fd77fc5d6da4e483ce1f49440326