[INFO] crate clobber 0.3.0 is already in cache
[INFO] checking clobber-0.3.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate clobber 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate clobber 0.3.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate clobber 0.3.0
[INFO] finished tweaking crates.io crate clobber 0.3.0
[INFO] tweaked toml for crates.io crate clobber 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate clobber 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] a9eafb4460b3dcc81aebfe85f803a3ccfd7e5d05a01f6bdc4c2f6ef2941f50e2
[INFO] running `"docker" "start" "-a" "a9eafb4460b3dcc81aebfe85f803a3ccfd7e5d05a01f6bdc4c2f6ef2941f50e2"`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking spin_sleep v0.3.7
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking async-std v0.99.4
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking byte-mutator v0.1.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking clobber v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.71s
[INFO] running `"docker" "inspect" "a9eafb4460b3dcc81aebfe85f803a3ccfd7e5d05a01f6bdc4c2f6ef2941f50e2"`
[INFO] running `"docker" "rm" "-f" "a9eafb4460b3dcc81aebfe85f803a3ccfd7e5d05a01f6bdc4c2f6ef2941f50e2"`
[INFO] [stdout] a9eafb4460b3dcc81aebfe85f803a3ccfd7e5d05a01f6bdc4c2f6ef2941f50e2