[INFO] fetching crate topgrade 6.2.0...
[INFO] testing topgrade-6.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate topgrade 6.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate topgrade 6.2.0 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 topgrade 6.2.0
[INFO] finished tweaking crates.io crate topgrade 6.2.0
[INFO] tweaked toml for crates.io crate topgrade 6.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate topgrade 6.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 608cf6e1bb645bacafabc0a1c5f9e9ce9b9dbe33226bce0671035ea1b4ab4598
[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" "608cf6e1bb645bacafabc0a1c5f9e9ce9b9dbe33226bce0671035ea1b4ab4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "608cf6e1bb645bacafabc0a1c5f9e9ce9b9dbe33226bce0671035ea1b4ab4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608cf6e1bb645bacafabc0a1c5f9e9ce9b9dbe33226bce0671035ea1b4ab4598", kill_on_drop: false }`
[INFO] [stdout] 608cf6e1bb645bacafabc0a1c5f9e9ce9b9dbe33226bce0671035ea1b4ab4598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c9fcba029290b60ffc748c267d6990dc3f16aea7ce92d6ef37cfa2ad7a70c579
[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" "c9fcba029290b60ffc748c267d6990dc3f16aea7ce92d6ef37cfa2ad7a70c579", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling topgrade v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling console v0.10.3
[INFO] [stderr]    Compiling shellexpand v2.0.0
[INFO] [stderr]    Compiling mio v0.6.23
[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 mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling dlv-list v0.2.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ordered-multimap v0.2.4
[INFO] [stderr]    Compiling rust-ini v0.15.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling structopt v0.3.21
[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 v0.5.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "c9fcba029290b60ffc748c267d6990dc3f16aea7ce92d6ef37cfa2ad7a70c579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fcba029290b60ffc748c267d6990dc3f16aea7ce92d6ef37cfa2ad7a70c579", kill_on_drop: false }`
[INFO] [stdout] c9fcba029290b60ffc748c267d6990dc3f16aea7ce92d6ef37cfa2ad7a70c579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] c6e1abeed4a940f9835e4058a0a9babd998989b3118e32b21fceb4a102621772
[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" "c6e1abeed4a940f9835e4058a0a9babd998989b3118e32b21fceb4a102621772", kill_on_drop: false }`
[INFO] [stderr]    Compiling topgrade v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "c6e1abeed4a940f9835e4058a0a9babd998989b3118e32b21fceb4a102621772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e1abeed4a940f9835e4058a0a9babd998989b3118e32b21fceb4a102621772", kill_on_drop: false }`
[INFO] [stdout] c6e1abeed4a940f9835e4058a0a9babd998989b3118e32b21fceb4a102621772
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] bef31c520250874c41c5a7e0b6e5cfd6ef6b8329bc2b75071127ad6e01430460
[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" "bef31c520250874c41c5a7e0b6e5cfd6ef6b8329bc2b75071127ad6e01430460", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/topgrade-caccf8ed166cc892
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test steps::os::linux::tests::test_anarchy ... ok
[INFO] [stdout] test steps::os::linux::tests::test_artix ... ok
[INFO] [stdout] test steps::os::linux::tests::test_amazon_linux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_centos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_antergos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_clearlinux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_arch_linux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_fedoraremixonwsl ... ok
[INFO] [stdout] test steps::os::linux::tests::test_fedora ... ok
[INFO] [stdout] test steps::os::linux::tests::test_debian ... ok
[INFO] [stdout] test steps::os::linux::tests::test_rhel ... ok
[INFO] [stdout] test steps::os::linux::tests::test_manjaro_arm ... ok
[INFO] [stdout] test steps::os::linux::tests::test_garuda ... ok
[INFO] [stdout] test steps::os::linux::tests::test_gentoo ... ok
[INFO] [stdout] test steps::os::linux::tests::test_opensuse ... ok
[INFO] [stdout] test steps::os::linux::tests::test_mint ... ok
[INFO] [stdout] test steps::os::linux::tests::test_exherbo ... ok
[INFO] [stdout] test steps::os::linux::tests::test_oraclelinux ... ok
[INFO] [stdout] test steps::os::linux::tests::test_nixos ... ok
[INFO] [stdout] test steps::os::linux::tests::test_manjaro ... ok
[INFO] [stdout] test steps::os::linux::tests::test_ubuntu ... ok
[INFO] [stdout] test steps::os::linux::tests::test_pengwinonwsl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bef31c520250874c41c5a7e0b6e5cfd6ef6b8329bc2b75071127ad6e01430460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef31c520250874c41c5a7e0b6e5cfd6ef6b8329bc2b75071127ad6e01430460", kill_on_drop: false }`
[INFO] [stdout] bef31c520250874c41c5a7e0b6e5cfd6ef6b8329bc2b75071127ad6e01430460