[INFO] updating cached repository https://github.com/whitfin/s3-concat
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc5b299b5867991103bb49ca74f3b0ba108d01d8
[INFO] checking whitfin/s3-concat against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitfin%2Fs3-concat" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whitfin/s3-concat on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/whitfin/s3-concat
[INFO] finished tweaking git repo https://github.com/whitfin/s3-concat
[INFO] tweaked toml for git repo https://github.com/whitfin/s3-concat written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/whitfin/s3-concat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 80599f1c06a70769a87f37e91d892f2d51d235b91dc346aadad8c8097a84239d
[INFO] running `"docker" "start" "-a" "80599f1c06a70769a87f37e91d892f2d51d235b91dc346aadad8c8097a84239d"`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking rusoto_credential v0.40.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking rusoto_core v0.40.0
[INFO] [stderr]     Checking rusoto_s3 v0.40.0
[INFO] [stderr]     Checking quick-xml v0.16.0
[INFO] [stderr]     Checking s3-concat v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "80599f1c06a70769a87f37e91d892f2d51d235b91dc346aadad8c8097a84239d"`
[INFO] running `"docker" "rm" "-f" "80599f1c06a70769a87f37e91d892f2d51d235b91dc346aadad8c8097a84239d"`
[INFO] [stdout] 80599f1c06a70769a87f37e91d892f2d51d235b91dc346aadad8c8097a84239d