[INFO] crate xstd 0.2.0 is already in cache
[INFO] testing xstd-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate xstd 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xstd 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xstd 0.2.0
[INFO] finished tweaking crates.io crate xstd 0.2.0
[INFO] tweaked toml for crates.io crate xstd 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c136bbe08e14513dec80f6a596d82c80019a2753d78deefbfa24473e0cc62640
[INFO] running `"docker" "start" "-a" "c136bbe08e14513dec80f6a596d82c80019a2753d78deefbfa24473e0cc62640"`
[INFO] [stderr]    Compiling xstd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "c136bbe08e14513dec80f6a596d82c80019a2753d78deefbfa24473e0cc62640"`
[INFO] running `"docker" "rm" "-f" "c136bbe08e14513dec80f6a596d82c80019a2753d78deefbfa24473e0cc62640"`
[INFO] [stdout] c136bbe08e14513dec80f6a596d82c80019a2753d78deefbfa24473e0cc62640
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a2c16ada1e2e54abcc9042f941f71210203457eb2140b534c759aac53387378
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7a2c16ada1e2e54abcc9042f941f71210203457eb2140b534c759aac53387378"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling xstd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `"docker" "inspect" "7a2c16ada1e2e54abcc9042f941f71210203457eb2140b534c759aac53387378"`
[INFO] running `"docker" "rm" "-f" "7a2c16ada1e2e54abcc9042f941f71210203457eb2140b534c759aac53387378"`
[INFO] [stdout] 7a2c16ada1e2e54abcc9042f941f71210203457eb2140b534c759aac53387378
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5bf55fb11d7682db7d2cd058596d2114713a5727441e0a3a1238fdefb8fe3150
[INFO] running `"docker" "start" "-a" "5bf55fb11d7682db7d2cd058596d2114713a5727441e0a3a1238fdefb8fe3150"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xstd-5e8d57b6e95eb18b
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test iter::intersperse_iter::tests::keep_empty_iter_empty ... ok
[INFO] [stdout] test iter::intersperse_iter::tests::intersperse_between_elements ... ok
[INFO] [stdout] test iter::intersperse_iter::tests::keep_singleton_iter_singleton ... ok
[INFO] [stdout] test iter::memento_iter::tests::a ... ok
[INFO] [stderr]    Doc-tests xstd
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/iter/intersperse_iter.rs - iter::intersperse_iter::IntersperseIter (line 16) ... ok
[INFO] [stdout] test src/vec.rs - vec::Unwords (line 32) ... ok
[INFO] [stdout] test src/iter/memento_iter.rs - iter::memento_iter::MementoIter (line 17) ... ok
[INFO] [stdout] test src/macros.rs - ifte (line 4) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 23) ... ok
[INFO] [stdout] test src/vec.rs - vec::Unlines (line 7) ... ok
[INFO] [stdout] test src/dynamic.rs - dynamic::IsInstanceOf (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5bf55fb11d7682db7d2cd058596d2114713a5727441e0a3a1238fdefb8fe3150"`
[INFO] running `"docker" "rm" "-f" "5bf55fb11d7682db7d2cd058596d2114713a5727441e0a3a1238fdefb8fe3150"`
[INFO] [stdout] 5bf55fb11d7682db7d2cd058596d2114713a5727441e0a3a1238fdefb8fe3150