[INFO] cloning repository https://github.com/mozilla/sccache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla/sccache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6628e1f70db3d583cb5e79210603ad878de3d315
[INFO] checking mozilla/sccache against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/sccache on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mozilla/sccache
[INFO] removed workspace from git repo https://github.com/mozilla/sccache
[INFO] removed path dependency lru-disk-cache from git repo https://github.com/mozilla/sccache
[INFO] finished tweaking git repo https://github.com/mozilla/sccache
[INFO] tweaked toml for git repo https://github.com/mozilla/sccache written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/sccache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tiny-http/tiny-http.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebade4290fe0f1d116461e30c7a1354affb388e542b3d24a97f142cc0cc267e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eebade4290fe0f1d116461e30c7a1354affb388e542b3d24a97f142cc0cc267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebade4290fe0f1d116461e30c7a1354affb388e542b3d24a97f142cc0cc267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebade4290fe0f1d116461e30c7a1354affb388e542b3d24a97f142cc0cc267e", kill_on_drop: false }`
[INFO] [stdout] eebade4290fe0f1d116461e30c7a1354affb388e542b3d24a97f142cc0cc267e
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d31d334fd93d7e2f8e2599af0b58fe171dc7b9057a0c528df08624ce42d5d83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1d31d334fd93d7e2f8e2599af0b58fe171dc7b9057a0c528df08624ce42d5d83", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.2.1
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking counted-array v0.1.2
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking vte v0.3.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tower-layer v0.1.0
[INFO] [stderr]     Checking tower-discover v0.1.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking tokio-serde v0.1.0
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking retry v0.4.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking cc v1.0.62
[INFO] [stderr]     Checking lru-disk-cache v0.4.0
[INFO] [stderr]     Checking tower-retry v0.1.0
[INFO] [stderr]     Checking tower-util v0.1.0
[INFO] [stderr]     Checking tower-timeout v0.1.1
[INFO] [stderr]     Checking tower-load-shed v0.1.0
[INFO] [stderr]     Checking hyperx v0.12.0
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking tower-limit v0.1.3
[INFO] [stderr]     Checking tower-buffer v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]     Checking tower v0.1.1
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]    Compiling local-encoding v0.2.0
[INFO] [stderr]     Checking tokio-serde-bincode v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tokio-compat v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking selenium-rs v0.1.2
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking sccache v0.2.14-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "1d31d334fd93d7e2f8e2599af0b58fe171dc7b9057a0c528df08624ce42d5d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d31d334fd93d7e2f8e2599af0b58fe171dc7b9057a0c528df08624ce42d5d83", kill_on_drop: false }`
[INFO] [stdout] 1d31d334fd93d7e2f8e2599af0b58fe171dc7b9057a0c528df08624ce42d5d83