[INFO] fetching crate cargo-c 0.6.18+cargo-0.49...
[INFO] checking cargo-c-0.6.18+cargo-0.49 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate cargo-c 0.6.18+cargo-0.49 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-c 0.6.18+cargo-0.49 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-c 0.6.18+cargo-0.49
[INFO] finished tweaking crates.io crate cargo-c 0.6.18+cargo-0.49
[INFO] tweaked toml for crates.io crate cargo-c 0.6.18+cargo-0.49 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-c 0.6.18+cargo-0.49 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92ee8c9afcdb4a1e56d7d7b5c631d8ca65e4a9ffbca6c98c7f52e3f8d4170b2a
[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" "92ee8c9afcdb4a1e56d7d7b5c631d8ca65e4a9ffbca6c98c7f52e3f8d4170b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ee8c9afcdb4a1e56d7d7b5c631d8ca65e4a9ffbca6c98c7f52e3f8d4170b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ee8c9afcdb4a1e56d7d7b5c631d8ca65e4a9ffbca6c98c7f52e3f8d4170b2a", kill_on_drop: false }`
[INFO] [stdout] 92ee8c9afcdb4a1e56d7d7b5c631d8ca65e4a9ffbca6c98c7f52e3f8d4170b2a
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03351f37d8d1d0a7905cf9fede1769f58843185eb3486463f82a8a77a5bef479
[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" "03351f37d8d1d0a7905cf9fede1769f58843185eb3486463f82a8a77a5bef479", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling cbindgen v0.15.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking im-rc v15.0.0
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling cargo v0.49.0
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking git2 v0.13.12
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking crates-io v0.31.1
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking cargo-c v0.6.18+cargo-0.49 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "03351f37d8d1d0a7905cf9fede1769f58843185eb3486463f82a8a77a5bef479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03351f37d8d1d0a7905cf9fede1769f58843185eb3486463f82a8a77a5bef479", kill_on_drop: false }`
[INFO] [stdout] 03351f37d8d1d0a7905cf9fede1769f58843185eb3486463f82a8a77a5bef479