[INFO] updating cached repository https://github.com/r-darwish/topgrade
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/r-darwish/topgrade
[INFO] [stderr]  - [deleted]         (none)     -> composer-update
[INFO] [stderr]  - [deleted]         (none)     -> desktop-linux
[INFO] [stderr]  - [deleted]         (none)     -> zsh-fix
[INFO] [stderr]    f9374e3..74fd1cc  master     -> master
[INFO] [stderr]    ef0b9fa..b5f0b2b  selfupdate -> selfupdate
[INFO] [stderr]  * [new tag]         v4.2.0     -> v4.2.0
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74fd1cc5ef40bb92094b0547fbdf46ef867b6d2a
[INFO] checking r-darwish/topgrade against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr-darwish%2Ftopgrade" "/workspace/builds/worker-10/source"`
[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 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b7608441c0cf834e4b034b8c8169893d1f151f934d7fee094abccaa30f8dbc75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b7608441c0cf834e4b034b8c8169893d1f151f934d7fee094abccaa30f8dbc75"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling topgrade v4.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking hashbrown v0.7.0
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `"docker" "inspect" "b7608441c0cf834e4b034b8c8169893d1f151f934d7fee094abccaa30f8dbc75"`
[INFO] running `"docker" "rm" "-f" "b7608441c0cf834e4b034b8c8169893d1f151f934d7fee094abccaa30f8dbc75"`
[INFO] [stdout] b7608441c0cf834e4b034b8c8169893d1f151f934d7fee094abccaa30f8dbc75