[INFO] crate topgrade 4.2.0 is already in cache
[INFO] checking topgrade-4.2.0 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate topgrade 4.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate topgrade 4.2.0 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate topgrade 4.2.0
[INFO] finished tweaking crates.io crate topgrade 4.2.0
[INFO] tweaked toml for crates.io crate topgrade 4.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate topgrade 4.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a650708ba9bb0583b8026f29f7ea07bb59c415d860b2e20be3313e6da56e04bc
[INFO] running `"docker" "start" "-a" "a650708ba9bb0583b8026f29f7ea07bb59c415d860b2e20be3313e6da56e04bc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling topgrade v4.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking which v3.1.0
[INFO] [stderr]     Checking hashbrown v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.85s
[INFO] running `"docker" "inspect" "a650708ba9bb0583b8026f29f7ea07bb59c415d860b2e20be3313e6da56e04bc"`
[INFO] running `"docker" "rm" "-f" "a650708ba9bb0583b8026f29f7ea07bb59c415d860b2e20be3313e6da56e04bc"`
[INFO] [stdout] a650708ba9bb0583b8026f29f7ea07bb59c415d860b2e20be3313e6da56e04bc