[INFO] fetching crate almel 1.2.1...
[INFO] checking almel-1.2.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate almel 1.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate almel 1.2.1 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 crates.io crate almel 1.2.1
[INFO] finished tweaking crates.io crate almel 1.2.1
[INFO] tweaked toml for crates.io crate almel 1.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate almel 1.2.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] d063eac73b563f06c16f36ce960000e3c70080c67fe0b8dc01fc4292e38b794a
[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" "d063eac73b563f06c16f36ce960000e3c70080c67fe0b8dc01fc4292e38b794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d063eac73b563f06c16f36ce960000e3c70080c67fe0b8dc01fc4292e38b794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d063eac73b563f06c16f36ce960000e3c70080c67fe0b8dc01fc4292e38b794a", kill_on_drop: false }`
[INFO] [stdout] d063eac73b563f06c16f36ce960000e3c70080c67fe0b8dc01fc4292e38b794a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] af2427c02be6e905e5552ef0dee3839d8d18f11079053ef1dfaf37a7c4ba2d8e
[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" "af2427c02be6e905e5552ef0dee3839d8d18f11079053ef1dfaf37a7c4ba2d8e", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking hostname v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking almel v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "af2427c02be6e905e5552ef0dee3839d8d18f11079053ef1dfaf37a7c4ba2d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2427c02be6e905e5552ef0dee3839d8d18f11079053ef1dfaf37a7c4ba2d8e", kill_on_drop: false }`
[INFO] [stdout] af2427c02be6e905e5552ef0dee3839d8d18f11079053ef1dfaf37a7c4ba2d8e