[INFO] crate adjacent-pair-iterator 0.1.2 is already in cache
[INFO] testing adjacent-pair-iterator-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate adjacent-pair-iterator 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate adjacent-pair-iterator 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adjacent-pair-iterator 0.1.2
[INFO] finished tweaking crates.io crate adjacent-pair-iterator 0.1.2
[INFO] tweaked toml for crates.io crate adjacent-pair-iterator 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd36d86d4b03ea9befb6f43921a4de165df5891e7f58fd44df0eeecfe655fb8c
[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" "cd36d86d4b03ea9befb6f43921a4de165df5891e7f58fd44df0eeecfe655fb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd36d86d4b03ea9befb6f43921a4de165df5891e7f58fd44df0eeecfe655fb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd36d86d4b03ea9befb6f43921a4de165df5891e7f58fd44df0eeecfe655fb8c", kill_on_drop: false }`
[INFO] [stdout] cd36d86d4b03ea9befb6f43921a4de165df5891e7f58fd44df0eeecfe655fb8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 02655e1f4df82d681d52c98a6be4fc18eb7b3692cce833560b3b7f0fc157975a
[INFO] running `Command { std: "docker" "start" "-a" "02655e1f4df82d681d52c98a6be4fc18eb7b3692cce833560b3b7f0fc157975a", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "02655e1f4df82d681d52c98a6be4fc18eb7b3692cce833560b3b7f0fc157975a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02655e1f4df82d681d52c98a6be4fc18eb7b3692cce833560b3b7f0fc157975a", kill_on_drop: false }`
[INFO] [stdout] 02655e1f4df82d681d52c98a6be4fc18eb7b3692cce833560b3b7f0fc157975a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8d8522aa28fbbe97fc786bf792ab376ca7082f8a5dd993e8fe64d858b5c10a
[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" "ed8d8522aa28fbbe97fc786bf792ab376ca7082f8a5dd993e8fe64d858b5c10a", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "ed8d8522aa28fbbe97fc786bf792ab376ca7082f8a5dd993e8fe64d858b5c10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8d8522aa28fbbe97fc786bf792ab376ca7082f8a5dd993e8fe64d858b5c10a", kill_on_drop: false }`
[INFO] [stdout] ed8d8522aa28fbbe97fc786bf792ab376ca7082f8a5dd993e8fe64d858b5c10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] b36ad839162f371a3c3ecaa73422ae532ecf1d166f76880eb738d95ddb8d4c12
[INFO] running `Command { std: "docker" "start" "-a" "b36ad839162f371a3c3ecaa73422ae532ecf1d166f76880eb738d95ddb8d4c12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adjacent_pair_iterator-5c7480fdc658b346
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::should_provide_nothing_for_only_one_input ... ok
[INFO] [stderr]    Doc-tests adjacent-pair-iterator
[INFO] [stdout] test tests::should_provide_pair_for_two_inputs ... ok
[INFO] [stdout] test tests::should_provide_two_pairs_for_three_inputs ... ok
[INFO] [stdout] test tests::should_work_with_into_iterator ... ok
[INFO] [stdout] test tests::should_provide_many_pairs ... ok
[INFO] [stdout] test tests::should_provide_nothing_without_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b36ad839162f371a3c3ecaa73422ae532ecf1d166f76880eb738d95ddb8d4c12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36ad839162f371a3c3ecaa73422ae532ecf1d166f76880eb738d95ddb8d4c12", kill_on_drop: false }`
[INFO] [stdout] b36ad839162f371a3c3ecaa73422ae532ecf1d166f76880eb738d95ddb8d4c12