[INFO] fetching crate smallstr 0.2.0...
[INFO] testing smallstr-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate smallstr 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate smallstr 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smallstr 0.2.0
[INFO] finished tweaking crates.io crate smallstr 0.2.0
[INFO] tweaked toml for crates.io crate smallstr 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7e48b971b4eeaa97b77be3e95e8c7b8f6d943799c2a2d1dd6af5d6affb0d8b0
[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" "d7e48b971b4eeaa97b77be3e95e8c7b8f6d943799c2a2d1dd6af5d6affb0d8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7e48b971b4eeaa97b77be3e95e8c7b8f6d943799c2a2d1dd6af5d6affb0d8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e48b971b4eeaa97b77be3e95e8c7b8f6d943799c2a2d1dd6af5d6affb0d8b0", kill_on_drop: false }`
[INFO] [stdout] d7e48b971b4eeaa97b77be3e95e8c7b8f6d943799c2a2d1dd6af5d6affb0d8b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a658bd01acd4f7cae54573b250773d65b8f0821f39cbe500f0dececfbdf11d9
[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" "6a658bd01acd4f7cae54573b250773d65b8f0821f39cbe500f0dececfbdf11d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallstr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "6a658bd01acd4f7cae54573b250773d65b8f0821f39cbe500f0dececfbdf11d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a658bd01acd4f7cae54573b250773d65b8f0821f39cbe500f0dececfbdf11d9", kill_on_drop: false }`
[INFO] [stdout] 6a658bd01acd4f7cae54573b250773d65b8f0821f39cbe500f0dececfbdf11d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 344744ce1e5c61207b42560f6b0667f06188a81d7372623a84555af30e32c8e0
[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" "344744ce1e5c61207b42560f6b0667f06188a81d7372623a84555af30e32c8e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallstr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "344744ce1e5c61207b42560f6b0667f06188a81d7372623a84555af30e32c8e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344744ce1e5c61207b42560f6b0667f06188a81d7372623a84555af30e32c8e0", kill_on_drop: false }`
[INFO] [stdout] 344744ce1e5c61207b42560f6b0667f06188a81d7372623a84555af30e32c8e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18becdacc277bc1da577258246eee6dcb005415d15dc9421c795f2f8df2395d8
[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" "18becdacc277bc1da577258246eee6dcb005415d15dc9421c795f2f8df2395d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smallstr-bd2d71ec5a29fe0f
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test string::test::test_from_buf ... ok
[INFO] [stdout] test string::test::test_eq ... ok
[INFO] [stdout] test string::test::test_drain_rev ... ok
[INFO] [stdout] test string::test::test_drain ... ok
[INFO] [stdout] test string::test::test_truncate ... ok
[INFO] [stdout] test string::test::test_insert ... ok
[INFO] [stdout] test string::test::test_retain ... ok
[INFO] [stdout] test string::test::test_write ... ok
[INFO] [stdout] test string::test::test_remove ... ok
[INFO] [stdout] test string::test::test_to_string ... ok
[INFO] [stdout] test string::test::test_pop ... ok
[INFO] [stdout] test string::test::test_into_string ... ok
[INFO] [stdout] test string::test::test_truncate_panic ... ok
[INFO] [stdout] test string::test::test_remove_panic_1 ... ok
[INFO] [stdout] test string::test::test_remove_panic_0 ... ok
[INFO] [stdout] test string::test::test_insert_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smallstr
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/string.rs - string::SmallString<A>::push_str (line 176) ... ok
[INFO] [stdout] test src/string.rs - string::SmallString<A>::retain (line 369) ... ok
[INFO] [stdout] test src/string.rs - string::SmallString<A>::push (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18becdacc277bc1da577258246eee6dcb005415d15dc9421c795f2f8df2395d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18becdacc277bc1da577258246eee6dcb005415d15dc9421c795f2f8df2395d8", kill_on_drop: false }`
[INFO] [stdout] 18becdacc277bc1da577258246eee6dcb005415d15dc9421c795f2f8df2395d8