[INFO] updating cached repository https://github.com/taiki-e/cargo-hack
[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/taiki-e/cargo-hack
[INFO] [stderr]  - [deleted]         (none)     -> dev
[INFO] [stderr]    7e2edc3..1a23958  master     -> master
[INFO] [stderr]    7e2edc3..d08fe29  staging    -> staging
[INFO] [stderr]  * [new tag]         v0.3.4     -> v0.3.4
[INFO] [stderr]  * [new tag]         v0.3.5     -> v0.3.5
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a23958b6fda5861b33613b7b389766ffb9b54b7
[INFO] checking taiki-e/cargo-hack against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki-e%2Fcargo-hack" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taiki-e/cargo-hack on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/taiki-e/cargo-hack
[INFO] removed workspace from git repo https://github.com/taiki-e/cargo-hack
[INFO] finished tweaking git repo https://github.com/taiki-e/cargo-hack
[INFO] tweaked toml for git repo https://github.com/taiki-e/cargo-hack written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/taiki-e/cargo-hack already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-ext v0.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] de563b84b8671824b6eaaba2e090a9a936f7981d2a76cfeda9e9e9fc43badcfc
[INFO] running `"docker" "start" "-a" "de563b84b8671824b6eaaba2e090a9a936f7981d2a76cfeda9e9e9fc43badcfc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling easy-ext v0.2.0
[INFO] [stderr]     Checking cargo-hack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.06s
[INFO] running `"docker" "inspect" "de563b84b8671824b6eaaba2e090a9a936f7981d2a76cfeda9e9e9fc43badcfc"`
[INFO] running `"docker" "rm" "-f" "de563b84b8671824b6eaaba2e090a9a936f7981d2a76cfeda9e9e9fc43badcfc"`
[INFO] [stdout] de563b84b8671824b6eaaba2e090a9a936f7981d2a76cfeda9e9e9fc43badcfc