[INFO] fetching crate unwrap 1.2.1...
[INFO] testing unwrap-1.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate unwrap 1.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate unwrap 1.2.1 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 unwrap 1.2.1
[INFO] finished tweaking crates.io crate unwrap 1.2.1
[INFO] tweaked toml for crates.io crate unwrap 1.2.1 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 50afb01eb12fe2d3a76b667f71ab312092e5ceab92c7869b5fb13661abf1be1b
[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" "50afb01eb12fe2d3a76b667f71ab312092e5ceab92c7869b5fb13661abf1be1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50afb01eb12fe2d3a76b667f71ab312092e5ceab92c7869b5fb13661abf1be1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50afb01eb12fe2d3a76b667f71ab312092e5ceab92c7869b5fb13661abf1be1b", kill_on_drop: false }`
[INFO] [stdout] 50afb01eb12fe2d3a76b667f71ab312092e5ceab92c7869b5fb13661abf1be1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1d1be03aa54b76880dbb88811c8ed3537ef0d706e7506c9fa6f5e8954bc1c399
[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" "1d1be03aa54b76880dbb88811c8ed3537ef0d706e7506c9fa6f5e8954bc1c399", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "1d1be03aa54b76880dbb88811c8ed3537ef0d706e7506c9fa6f5e8954bc1c399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1be03aa54b76880dbb88811c8ed3537ef0d706e7506c9fa6f5e8954bc1c399", kill_on_drop: false }`
[INFO] [stdout] 1d1be03aa54b76880dbb88811c8ed3537ef0d706e7506c9fa6f5e8954bc1c399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c51432e2afb99d5636d790cd38b4f60ddccb2bd4e64c05387d2987d8323524b7
[INFO] running `Command { std: "docker" "start" "-a" "c51432e2afb99d5636d790cd38b4f60ddccb2bd4e64c05387d2987d8323524b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "c51432e2afb99d5636d790cd38b4f60ddccb2bd4e64c05387d2987d8323524b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51432e2afb99d5636d790cd38b4f60ddccb2bd4e64c05387d2987d8323524b7", kill_on_drop: false }`
[INFO] [stdout] c51432e2afb99d5636d790cd38b4f60ddccb2bd4e64c05387d2987d8323524b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] acaee8e3ab64c5ba4ff5e4c6e551645fe92d77508723730c8f8135f369acb695
[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" "acaee8e3ab64c5ba4ff5e4c6e551645fe92d77508723730c8f8135f369acb695", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unwrap-261e9184d22febc9
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::unwrap_result_ok ... ok
[INFO] [stdout] test tests::unwrap_err_result_err ... ok
[INFO] [stdout] test tests::unwrap_option_some ... ok
[INFO] [stdout] test tests::unwrap_result_err_no_message ... ok
[INFO] [stdout] test tests::unwrap_option_none_no_message ... ok
[INFO] [stdout] test tests::unwrap_option_none_message ... ok
[INFO] [stdout] test tests::unwrap_result_err_message_args ... ok
[INFO] [stderr]    Doc-tests unwrap
[INFO] [stdout] test tests::unwrap_result_err_message ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_no_message ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message_args ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - unwrap (line 126) ... ok
[INFO] [stdout] test src/lib.rs - unwrap_err (line 224) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acaee8e3ab64c5ba4ff5e4c6e551645fe92d77508723730c8f8135f369acb695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaee8e3ab64c5ba4ff5e4c6e551645fe92d77508723730c8f8135f369acb695", kill_on_drop: false }`
[INFO] [stdout] acaee8e3ab64c5ba4ff5e4c6e551645fe92d77508723730c8f8135f369acb695