[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] 31db02d95a9524ca18fff7c1a7b30e3c2b73aee9
[INFO] checking r-darwish/topgrade against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-darwish%2Ftopgrade" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/r-darwish/topgrade on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-1/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e32771035112e3505f081fd97c73e22cc12497736c6d7e8b165deeebf5549686
[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" "e32771035112e3505f081fd97c73e22cc12497736c6d7e8b165deeebf5549686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32771035112e3505f081fd97c73e22cc12497736c6d7e8b165deeebf5549686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32771035112e3505f081fd97c73e22cc12497736c6d7e8b165deeebf5549686", kill_on_drop: false }`
[INFO] [stdout] e32771035112e3505f081fd97c73e22cc12497736c6d7e8b165deeebf5549686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829ae32fba00e6ed80c635af2439fea4f0968516a575f46b9ec4a46a8838c7fc
[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" "829ae32fba00e6ed80c635af2439fea4f0968516a575f46b9ec4a46a8838c7fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling topgrade v6.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] running `Command { std: "docker" "inspect" "829ae32fba00e6ed80c635af2439fea4f0968516a575f46b9ec4a46a8838c7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829ae32fba00e6ed80c635af2439fea4f0968516a575f46b9ec4a46a8838c7fc", kill_on_drop: false }`
[INFO] [stdout] 829ae32fba00e6ed80c635af2439fea4f0968516a575f46b9ec4a46a8838c7fc