[INFO] cloning repository https://github.com/r-darwish/topgrade
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r-darwish/topgrade" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-darwish%2Ftopgrade", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-darwish%2Ftopgrade'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3879a1c90e1c17a2e5846ce6b058c5ad556ef2f
[INFO] testing r-darwish/topgrade 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%2Fr-darwish%2Ftopgrade" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r-darwish/topgrade 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/r-darwish/topgrade
[INFO] finished tweaking git repo https://github.com/r-darwish/topgrade
[INFO] tweaked toml for git repo https://github.com/r-darwish/topgrade written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/r-darwish/topgrade 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 984f6ecd701f04669a3bd8b7cdc75cce5f8a5600a51706b606b6dad02a8af969
[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" "984f6ecd701f04669a3bd8b7cdc75cce5f8a5600a51706b606b6dad02a8af969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984f6ecd701f04669a3bd8b7cdc75cce5f8a5600a51706b606b6dad02a8af969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984f6ecd701f04669a3bd8b7cdc75cce5f8a5600a51706b606b6dad02a8af969", kill_on_drop: false }`
[INFO] [stdout] 984f6ecd701f04669a3bd8b7cdc75cce5f8a5600a51706b606b6dad02a8af969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 8ea9a87d660a3d1d5e555623dc08b39dc346d19eab590833b33dbde97206df74
[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" "8ea9a87d660a3d1d5e555623dc08b39dc346d19eab590833b33dbde97206df74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling topgrade v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pin-project-lite v0.2.1
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling dlv-list v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ordered-multimap v0.3.1
[INFO] [stderr]    Compiling rust-ini v0.16.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling pin-project v1.0.3
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "8ea9a87d660a3d1d5e555623dc08b39dc346d19eab590833b33dbde97206df74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea9a87d660a3d1d5e555623dc08b39dc346d19eab590833b33dbde97206df74", kill_on_drop: false }`
[INFO] [stdout] 8ea9a87d660a3d1d5e555623dc08b39dc346d19eab590833b33dbde97206df74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] daabab1f3571d2df3a7d6d2f20394c09ca1495029fb3cec588c9ea5b0a8ee807
[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" "daabab1f3571d2df3a7d6d2f20394c09ca1495029fb3cec588c9ea5b0a8ee807", kill_on_drop: false }`
[INFO] [stderr]    Compiling topgrade v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "daabab1f3571d2df3a7d6d2f20394c09ca1495029fb3cec588c9ea5b0a8ee807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daabab1f3571d2df3a7d6d2f20394c09ca1495029fb3cec588c9ea5b0a8ee807", kill_on_drop: false }`
[INFO] [stdout] daabab1f3571d2df3a7d6d2f20394c09ca1495029fb3cec588c9ea5b0a8ee807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a3e9a7a8b2b6af48a36a2506ba18023d5c117f6bc3d5b8aab5f5ad4df2aefa6a
[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" "a3e9a7a8b2b6af48a36a2506ba18023d5c117f6bc3d5b8aab5f5ad4df2aefa6a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/topgrade-fd5b3573ed2d349c
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test steps::os::linux::tests::test_debian ... ok
[INFO] [stdout] test steps::os::linux::tests::test_clearlinux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_artix ... ok
[INFO] [stdout] test steps::os::linux::tests::test_antergos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_garuda ... ok
[INFO] [stdout] test steps::os::linux::tests::test_fedora ... ok
[INFO] [stdout] test steps::os::linux::tests::test_amazon_linux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_arch_linux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_exherbo ... ok
[INFO] [stdout] test steps::os::linux::tests::test_opensuse ... ok
[INFO] [stdout] test steps::os::linux::tests::test_fedoraremixonwsl ... ok
[INFO] [stdout] test steps::os::linux::tests::test_oraclelinux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_pengwinonwsl ... ok
[INFO] [stdout] test steps::os::linux::tests::test_gentoo ... ok
[INFO] [stdout] test steps::os::linux::tests::test_rhel ... ok
[INFO] [stdout] test steps::os::linux::tests::test_mint ... ok
[INFO] [stdout] test steps::os::linux::tests::test_ubuntu ... ok
[INFO] [stdout] test steps::os::linux::tests::test_manjaro_arm ... ok
[INFO] [stdout] test steps::os::linux::tests::test_nixos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_centos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_anarchy ... ok
[INFO] [stdout] test steps::os::linux::tests::test_manjaro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a3e9a7a8b2b6af48a36a2506ba18023d5c117f6bc3d5b8aab5f5ad4df2aefa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e9a7a8b2b6af48a36a2506ba18023d5c117f6bc3d5b8aab5f5ad4df2aefa6a", kill_on_drop: false }`
[INFO] [stdout] a3e9a7a8b2b6af48a36a2506ba18023d5c117f6bc3d5b8aab5f5ad4df2aefa6a