[INFO] fetching crate yarns 0.4.1...
[INFO] testing yarns-0.4.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate yarns 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate yarns 0.4.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 5bc2cb4fe721423df5724f4637abd223946d3971b6c7de65dac4770f26681eeb
[INFO] running `Command { std: "docker" "start" "-a" "5bc2cb4fe721423df5724f4637abd223946d3971b6c7de65dac4770f26681eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc2cb4fe721423df5724f4637abd223946d3971b6c7de65dac4770f26681eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc2cb4fe721423df5724f4637abd223946d3971b6c7de65dac4770f26681eeb", kill_on_drop: false }`
[INFO] [stdout] 5bc2cb4fe721423df5724f4637abd223946d3971b6c7de65dac4770f26681eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae9a45fe19548ad71f229b539faf2ffff1c93219146fcce0335623a9a6f7ec06
[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" "ae9a45fe19548ad71f229b539faf2ffff1c93219146fcce0335623a9a6f7ec06", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "ae9a45fe19548ad71f229b539faf2ffff1c93219146fcce0335623a9a6f7ec06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9a45fe19548ad71f229b539faf2ffff1c93219146fcce0335623a9a6f7ec06", kill_on_drop: false }`
[INFO] [stdout] ae9a45fe19548ad71f229b539faf2ffff1c93219146fcce0335623a9a6f7ec06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", 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] 725e5c1e467f353fc70ef572f4ccc4cf3908d70b088946af5ba4e813f62faf02
[INFO] running `Command { std: "docker" "start" "-a" "725e5c1e467f353fc70ef572f4ccc4cf3908d70b088946af5ba4e813f62faf02", kill_on_drop: false }`
[INFO] [stderr]    Compiling yarns v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "725e5c1e467f353fc70ef572f4ccc4cf3908d70b088946af5ba4e813f62faf02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725e5c1e467f353fc70ef572f4ccc4cf3908d70b088946af5ba4e813f62faf02", kill_on_drop: false }`
[INFO] [stdout] 725e5c1e467f353fc70ef572f4ccc4cf3908d70b088946af5ba4e813f62faf02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ad8afbcb754864c59208eb9872d57ba9c02604f1ca725af2476323b0da91161
[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" "3ad8afbcb754864c59208eb9872d57ba9c02604f1ca725af2476323b0da91161", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yarns-508b78e99a65639d
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-37a57491b3ad5e47
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test main::concat_hello_goodbye ... ok
[INFO] [stdout] test main::contains_hello_hell ... ok
[INFO] [stdout] test main::len_hello ... ok
[INFO] [stdout] test main::head_hello_h ... ok
[INFO] [stdout] test main::substr_hello_1_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yarns
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - head (line 5) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 30) ... ok
[INFO] [stdout] test src/lib.rs - contains (line 43) ... ok
[INFO] [stdout] test src/lib.rs - len (line 63) ... ok
[INFO] [stdout] test src/lib.rs - substr (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ad8afbcb754864c59208eb9872d57ba9c02604f1ca725af2476323b0da91161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad8afbcb754864c59208eb9872d57ba9c02604f1ca725af2476323b0da91161", kill_on_drop: false }`
[INFO] [stdout] 3ad8afbcb754864c59208eb9872d57ba9c02604f1ca725af2476323b0da91161