[INFO] fetching crate zerg 0.0.1...
[INFO] checking zerg-0.0.1 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate zerg 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zerg 0.0.1 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerg 0.0.1
[INFO] finished tweaking crates.io crate zerg 0.0.1
[INFO] tweaked toml for crates.io crate zerg 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate zerg 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d995ef10e2b307736fcb8ea58fa3d12bce21cbfca6bb45ba311361dd3bd47e9e
[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" "d995ef10e2b307736fcb8ea58fa3d12bce21cbfca6bb45ba311361dd3bd47e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d995ef10e2b307736fcb8ea58fa3d12bce21cbfca6bb45ba311361dd3bd47e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d995ef10e2b307736fcb8ea58fa3d12bce21cbfca6bb45ba311361dd3bd47e9e", kill_on_drop: false }`
[INFO] [stdout] d995ef10e2b307736fcb8ea58fa3d12bce21cbfca6bb45ba311361dd3bd47e9e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f26bd5f552ae8a61bf14dbcd702c87029a92997cc152f89d00aa43f7f2fafe02
[INFO] running `Command { std: "docker" "start" "-a" "f26bd5f552ae8a61bf14dbcd702c87029a92997cc152f89d00aa43f7f2fafe02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking zerg v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.40s
[INFO] running `Command { std: "docker" "inspect" "f26bd5f552ae8a61bf14dbcd702c87029a92997cc152f89d00aa43f7f2fafe02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26bd5f552ae8a61bf14dbcd702c87029a92997cc152f89d00aa43f7f2fafe02", kill_on_drop: false }`
[INFO] [stdout] f26bd5f552ae8a61bf14dbcd702c87029a92997cc152f89d00aa43f7f2fafe02