[INFO] cloning repository https://github.com/iovxw/cobble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iovxw/cobble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fcobble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fcobble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f03cac83c57afd8b290400268ebe033a1023d9e
[INFO] checking iovxw/cobble against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovxw%2Fcobble" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iovxw/cobble on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iovxw/cobble
[INFO] finished tweaking git repo https://github.com/iovxw/cobble
[INFO] tweaked toml for git repo https://github.com/iovxw/cobble written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/iovxw/cobble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3b18cc70eff2af73b3c5e81b9885f984f75e3d44b547fcbac814feb1b2b442e
[INFO] running `Command { std: "docker" "start" "-a" "a3b18cc70eff2af73b3c5e81b9885f984f75e3d44b547fcbac814feb1b2b442e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b18cc70eff2af73b3c5e81b9885f984f75e3d44b547fcbac814feb1b2b442e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b18cc70eff2af73b3c5e81b9885f984f75e3d44b547fcbac814feb1b2b442e", kill_on_drop: false }`
[INFO] [stdout] a3b18cc70eff2af73b3c5e81b9885f984f75e3d44b547fcbac814feb1b2b442e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cddfcd930e922504fec4d7898c231eec71fcc9e67aa0756a1a6fe8764849e2ec
[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" "cddfcd930e922504fec4d7898c231eec71fcc9e67aa0756a1a6fe8764849e2ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking ozelot v0.8.0 (https://github.com/C4K3/Ozelot.git#e208e440)
[INFO] [stderr]     Checking cobble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "cddfcd930e922504fec4d7898c231eec71fcc9e67aa0756a1a6fe8764849e2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cddfcd930e922504fec4d7898c231eec71fcc9e67aa0756a1a6fe8764849e2ec", kill_on_drop: false }`
[INFO] [stdout] cddfcd930e922504fec4d7898c231eec71fcc9e67aa0756a1a6fe8764849e2ec