[INFO] fetching crate iter-merge-sort 0.1.2...
[INFO] testing iter-merge-sort-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate iter-merge-sort 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iter-merge-sort 0.1.2 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 iter-merge-sort 0.1.2
[INFO] finished tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] tweaked toml for crates.io crate iter-merge-sort 0.1.2 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] ec4797ca41c7c45cb555fb02875f9b38ecb3826d4dc03f102ed4dddeda11804a
[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" "ec4797ca41c7c45cb555fb02875f9b38ecb3826d4dc03f102ed4dddeda11804a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4797ca41c7c45cb555fb02875f9b38ecb3826d4dc03f102ed4dddeda11804a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4797ca41c7c45cb555fb02875f9b38ecb3826d4dc03f102ed4dddeda11804a", kill_on_drop: false }`
[INFO] [stdout] ec4797ca41c7c45cb555fb02875f9b38ecb3826d4dc03f102ed4dddeda11804a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 141023f2b8964ee3846679a70dbabe6d2e78d3449088a82dea6891fb613867aa
[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" "141023f2b8964ee3846679a70dbabe6d2e78d3449088a82dea6891fb613867aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "141023f2b8964ee3846679a70dbabe6d2e78d3449088a82dea6891fb613867aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141023f2b8964ee3846679a70dbabe6d2e78d3449088a82dea6891fb613867aa", kill_on_drop: false }`
[INFO] [stdout] 141023f2b8964ee3846679a70dbabe6d2e78d3449088a82dea6891fb613867aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bba5d143dd466ed76ae08205887f48bc856892f0bfcc476e4cb65f6ceffc6444
[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" "bba5d143dd466ed76ae08205887f48bc856892f0bfcc476e4cb65f6ceffc6444", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "bba5d143dd466ed76ae08205887f48bc856892f0bfcc476e4cb65f6ceffc6444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba5d143dd466ed76ae08205887f48bc856892f0bfcc476e4cb65f6ceffc6444", kill_on_drop: false }`
[INFO] [stdout] bba5d143dd466ed76ae08205887f48bc856892f0bfcc476e4cb65f6ceffc6444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d0cbe9f0d1c11af010eff49904b78763020cea628f79c25bee677db23b4c085
[INFO] running `Command { std: "docker" "start" "-a" "2d0cbe9f0d1c11af010eff49904b78763020cea628f79c25bee677db23b4c085", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iter_merge_sort-a4e402a044bd65d4
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::desc ... ok
[INFO] [stdout] test tests::one_not_desc ... ok
[INFO] [stdout] test tests::one_desc ... ok
[INFO] [stdout] test tests::not_desc ... ok
[INFO] [stdout] test tests::emepy ... ok
[INFO] [stdout] test tests::infinite_not_desc ... 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 iter_merge_sort
[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" "2d0cbe9f0d1c11af010eff49904b78763020cea628f79c25bee677db23b4c085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0cbe9f0d1c11af010eff49904b78763020cea628f79c25bee677db23b4c085", kill_on_drop: false }`
[INFO] [stdout] 2d0cbe9f0d1c11af010eff49904b78763020cea628f79c25bee677db23b4c085