[INFO] cloning repository https://github.com/cLazyZombie/learn-iterator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cLazyZombie/learn-iterator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-iterator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-iterator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0d447f7f9d002f1dde63ef613d422075b30aa1b
[INFO] testing cLazyZombie/learn-iterator against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Flearn-iterator" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cLazyZombie/learn-iterator on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cLazyZombie/learn-iterator
[INFO] finished tweaking git repo https://github.com/cLazyZombie/learn-iterator
[INFO] tweaked toml for git repo https://github.com/cLazyZombie/learn-iterator written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cLazyZombie/learn-iterator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20cfd2eadbfa3757f884bf8b2abde21024ab9913113dd8161c5b4b54cfa00b86
[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" "20cfd2eadbfa3757f884bf8b2abde21024ab9913113dd8161c5b4b54cfa00b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20cfd2eadbfa3757f884bf8b2abde21024ab9913113dd8161c5b4b54cfa00b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cfd2eadbfa3757f884bf8b2abde21024ab9913113dd8161c5b4b54cfa00b86", kill_on_drop: false }`
[INFO] [stdout] 20cfd2eadbfa3757f884bf8b2abde21024ab9913113dd8161c5b4b54cfa00b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f17d11af41d8f689d6a3233e6681a98835354e06c41c790dc9dcba8cdff19a2
[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" "3f17d11af41d8f689d6a3233e6681a98835354e06c41c790dc9dcba8cdff19a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "3f17d11af41d8f689d6a3233e6681a98835354e06c41c790dc9dcba8cdff19a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f17d11af41d8f689d6a3233e6681a98835354e06c41c790dc9dcba8cdff19a2", kill_on_drop: false }`
[INFO] [stdout] 3f17d11af41d8f689d6a3233e6681a98835354e06c41c790dc9dcba8cdff19a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 456ecefd78a2f594977e530ea3c5fad6972ee0e0406f24c1aa323af6c3a82d9e
[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" "456ecefd78a2f594977e530ea3c5fad6972ee0e0406f24c1aa323af6c3a82d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "456ecefd78a2f594977e530ea3c5fad6972ee0e0406f24c1aa323af6c3a82d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "456ecefd78a2f594977e530ea3c5fad6972ee0e0406f24c1aa323af6c3a82d9e", kill_on_drop: false }`
[INFO] [stdout] 456ecefd78a2f594977e530ea3c5fad6972ee0e0406f24c1aa323af6c3a82d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8065297f90027d6674389dbac780b992d0bbf817b6399f2572618f4e76dd12e8
[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" "8065297f90027d6674389dbac780b992d0bbf817b6399f2572618f4e76dd12e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_iterator-4d2475a3805d2de8
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_iterator-421cddf0bc2263e4
[INFO] [stdout] test tests::find ... ok
[INFO] [stdout] test tests::fold ... ok
[INFO] [stdout] test tests::map ... ok
[INFO] [stdout] test tests::vec_to_iterator ... ok
[INFO] [stdout] test tests::iterator_filter ... ok
[INFO] [stdout] test tests::vec_to_iterator_mutable ... ok
[INFO] [stdout] test tests::vec_to_iterator_mutable_change_value ... ok
[INFO] [stdout] test tests::vec_to_iterator_mutable_zero_sized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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 learn-iterator
[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" "8065297f90027d6674389dbac780b992d0bbf817b6399f2572618f4e76dd12e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8065297f90027d6674389dbac780b992d0bbf817b6399f2572618f4e76dd12e8", kill_on_drop: false }`
[INFO] [stdout] 8065297f90027d6674389dbac780b992d0bbf817b6399f2572618f4e76dd12e8