[INFO] fetching crate kanils 1.2.0...
[INFO] checking kanils-1.2.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate kanils 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate kanils 1.2.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kanils 1.2.0
[INFO] finished tweaking crates.io crate kanils 1.2.0
[INFO] tweaked toml for crates.io crate kanils 1.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate kanils 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b11d90b5997748bf7f96621346af5f6bdbba2ec64695a197d95fb32556e36f5b
[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" "b11d90b5997748bf7f96621346af5f6bdbba2ec64695a197d95fb32556e36f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11d90b5997748bf7f96621346af5f6bdbba2ec64695a197d95fb32556e36f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11d90b5997748bf7f96621346af5f6bdbba2ec64695a197d95fb32556e36f5b", kill_on_drop: false }`
[INFO] [stdout] b11d90b5997748bf7f96621346af5f6bdbba2ec64695a197d95fb32556e36f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9911951a31bc9a1be9ca1c8d521a5f2f42a92e7f659939e58ea689b67177ecf
[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" "f9911951a31bc9a1be9ca1c8d521a5f2f42a92e7f659939e58ea689b67177ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking rustyline v5.0.6
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking cannyls v0.10.0
[INFO] [stderr]     Checking kanils v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.06s
[INFO] running `Command { std: "docker" "inspect" "f9911951a31bc9a1be9ca1c8d521a5f2f42a92e7f659939e58ea689b67177ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9911951a31bc9a1be9ca1c8d521a5f2f42a92e7f659939e58ea689b67177ecf", kill_on_drop: false }`
[INFO] [stdout] f9911951a31bc9a1be9ca1c8d521a5f2f42a92e7f659939e58ea689b67177ecf