[INFO] fetching crate tower-test 0.3.0...
[INFO] checking tower-test-0.3.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate tower-test 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tower-test 0.3.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-test 0.3.0
[INFO] finished tweaking crates.io crate tower-test 0.3.0
[INFO] tweaked toml for crates.io crate tower-test 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61c91d28b68b4c8575d130cad5351734e0aa19cc00d745ac26b4b9ae9a7794ab
[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" "61c91d28b68b4c8575d130cad5351734e0aa19cc00d745ac26b4b9ae9a7794ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c91d28b68b4c8575d130cad5351734e0aa19cc00d745ac26b4b9ae9a7794ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c91d28b68b4c8575d130cad5351734e0aa19cc00d745ac26b4b9ae9a7794ab", kill_on_drop: false }`
[INFO] [stdout] 61c91d28b68b4c8575d130cad5351734e0aa19cc00d745ac26b4b9ae9a7794ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5bcab9484b7c2a53ee94dd3ea427989dfbf3df475a298d6da18ab289c12cd3
[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" "0d5bcab9484b7c2a53ee94dd3ea427989dfbf3df475a298d6da18ab289c12cd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tower-test v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.70s
[INFO] running `Command { std: "docker" "inspect" "0d5bcab9484b7c2a53ee94dd3ea427989dfbf3df475a298d6da18ab289c12cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5bcab9484b7c2a53ee94dd3ea427989dfbf3df475a298d6da18ab289c12cd3", kill_on_drop: false }`
[INFO] [stdout] 0d5bcab9484b7c2a53ee94dd3ea427989dfbf3df475a298d6da18ab289c12cd3