[INFO] fetching crate shared_str 0.1.1...
[INFO] testing shared_str-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate shared_str 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate shared_str 0.1.1 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 shared_str 0.1.1
[INFO] finished tweaking crates.io crate shared_str 0.1.1
[INFO] tweaked toml for crates.io crate shared_str 0.1.1 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 372a0e61edfb680e031670051d342f59aa02581041772c9935ab7561ef57ce1c
[INFO] running `Command { std: "docker" "start" "-a" "372a0e61edfb680e031670051d342f59aa02581041772c9935ab7561ef57ce1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372a0e61edfb680e031670051d342f59aa02581041772c9935ab7561ef57ce1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372a0e61edfb680e031670051d342f59aa02581041772c9935ab7561ef57ce1c", kill_on_drop: false }`
[INFO] [stdout] 372a0e61edfb680e031670051d342f59aa02581041772c9935ab7561ef57ce1c
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b980b9d1258b35bf56c44d6a6c1427807f1b1462d4248148fac973996bd1fa
[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" "66b980b9d1258b35bf56c44d6a6c1427807f1b1462d4248148fac973996bd1fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_str v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "66b980b9d1258b35bf56c44d6a6c1427807f1b1462d4248148fac973996bd1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b980b9d1258b35bf56c44d6a6c1427807f1b1462d4248148fac973996bd1fa", kill_on_drop: false }`
[INFO] [stdout] 66b980b9d1258b35bf56c44d6a6c1427807f1b1462d4248148fac973996bd1fa
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc83485940b6b2cfc119b07c4e4f4fde5a959d6524e6c44cd7ce971b3d3371a
[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" "7cc83485940b6b2cfc119b07c4e4f4fde5a959d6524e6c44cd7ce971b3d3371a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_str v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "7cc83485940b6b2cfc119b07c4e4f4fde5a959d6524e6c44cd7ce971b3d3371a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc83485940b6b2cfc119b07c4e4f4fde5a959d6524e6c44cd7ce971b3d3371a", kill_on_drop: false }`
[INFO] [stdout] 7cc83485940b6b2cfc119b07c4e4f4fde5a959d6524e6c44cd7ce971b3d3371a
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3f4b9ee3c5312171316d02d5107bc8e8e5f657fe0d5a1ef773ba42fa7ce11fd
[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" "c3f4b9ee3c5312171316d02d5107bc8e8e5f657fe0d5a1ef773ba42fa7ce11fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_str-0faf5596a2a77b9d
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test arc_str::tests::len ... ok
[INFO] [stdout] test arc_str::tests::as_str ... ok
[INFO] [stdout] test rc_str::tests::as_str ... ok
[INFO] [stdout] test rc_str::tests::len ... ok
[INFO] [stdout] test arc_str::tests::rejoin ... ok
[INFO] [stdout] test rc_str::tests::rejoin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_str
[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] running `Command { std: "docker" "inspect" "c3f4b9ee3c5312171316d02d5107bc8e8e5f657fe0d5a1ef773ba42fa7ce11fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f4b9ee3c5312171316d02d5107bc8e8e5f657fe0d5a1ef773ba42fa7ce11fd", kill_on_drop: false }`
[INFO] [stdout] c3f4b9ee3c5312171316d02d5107bc8e8e5f657fe0d5a1ef773ba42fa7ce11fd