[INFO] cloning repository https://github.com/Henning-K/sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Henning-K/sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fsandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fsandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d52793850a090de1f17fdfe9fda1208e092d6de6
[INFO] testing Henning-K/sandbox against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenning-K%2Fsandbox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Henning-K/sandbox on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Henning-K/sandbox
[INFO] finished tweaking git repo https://github.com/Henning-K/sandbox
[INFO] tweaked toml for git repo https://github.com/Henning-K/sandbox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Henning-K/sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ccf09dec4304f26c7c2d41946fa8604c3663e29ec8ccc3e42f715c1f9739e84
[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" "8ccf09dec4304f26c7c2d41946fa8604c3663e29ec8ccc3e42f715c1f9739e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ccf09dec4304f26c7c2d41946fa8604c3663e29ec8ccc3e42f715c1f9739e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccf09dec4304f26c7c2d41946fa8604c3663e29ec8ccc3e42f715c1f9739e84", kill_on_drop: false }`
[INFO] [stdout] 8ccf09dec4304f26c7c2d41946fa8604c3663e29ec8ccc3e42f715c1f9739e84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 30a657d3d40be3d6d5cdaceedc4ebb11ea450896d2a616e790e1249bd01fef1c
[INFO] running `Command { std: "docker" "start" "-a" "30a657d3d40be3d6d5cdaceedc4ebb11ea450896d2a616e790e1249bd01fef1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.16
[INFO] [stderr]    Compiling num_cpus v1.0.0
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "30a657d3d40be3d6d5cdaceedc4ebb11ea450896d2a616e790e1249bd01fef1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a657d3d40be3d6d5cdaceedc4ebb11ea450896d2a616e790e1249bd01fef1c", kill_on_drop: false }`
[INFO] [stdout] 30a657d3d40be3d6d5cdaceedc4ebb11ea450896d2a616e790e1249bd01fef1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92bfd58b02e85a37b65a02d211bfe26f9d828cb332d484174add25700287d675
[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" "92bfd58b02e85a37b65a02d211bfe26f9d828cb332d484174add25700287d675", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "92bfd58b02e85a37b65a02d211bfe26f9d828cb332d484174add25700287d675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bfd58b02e85a37b65a02d211bfe26f9d828cb332d484174add25700287d675", kill_on_drop: false }`
[INFO] [stdout] 92bfd58b02e85a37b65a02d211bfe26f9d828cb332d484174add25700287d675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48ed196f80e564749cc55fa574b1dbc316a5dc37300aaf7537b5df0bd1ec939f
[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" "48ed196f80e564749cc55fa574b1dbc316a5dc37300aaf7537b5df0bd1ec939f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox-59fcc26c5789bf67)
[INFO] [stdout] test base64::tests::decode_man ... ok
[INFO] [stdout] test base64::tests::encode_man ... ok
[INFO] [stdout] test bignum::tests::addition ... ok
[INFO] [stdout] test bignum::tests::creation ... ok
[INFO] [stdout] test base64::tests::encode_leviathan ... ok
[INFO] [stdout] test base64::tests::decode_leviathan ... ok
[INFO] [stdout] test thread_testing::tests::channels_test ... ok
[INFO] [stdout] test thread_testing::tests::single_thread_empty_return ... ok
[INFO] [stdout] test thread_testing::tests::cpu_count_threads_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sandbox-aa944edfcaa97539)
[INFO] [stdout] test thread_testing::tests::mutating_threads_test ... ok
[INFO] [stdout] test thread_testing::tests::n_threads_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sandbox
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48ed196f80e564749cc55fa574b1dbc316a5dc37300aaf7537b5df0bd1ec939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ed196f80e564749cc55fa574b1dbc316a5dc37300aaf7537b5df0bd1ec939f", kill_on_drop: false }`
[INFO] [stdout] 48ed196f80e564749cc55fa574b1dbc316a5dc37300aaf7537b5df0bd1ec939f