[INFO] fetching crate marla 0.1.0-alpha.1...
[INFO] checking marla-0.1.0-alpha.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate marla 0.1.0-alpha.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate marla 0.1.0-alpha.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marla 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate marla 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate marla 0.1.0-alpha.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.0.2
[INFO] [stderr]   Downloaded macro_rules_attribute v0.0.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 32ec2bd06f7d083a62ec8ec73068f2f2c9579830e55b8e8fa9f74b48aba692a3
[INFO] running `Command { std: "docker" "start" "-a" "32ec2bd06f7d083a62ec8ec73068f2f2c9579830e55b8e8fa9f74b48aba692a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ec2bd06f7d083a62ec8ec73068f2f2c9579830e55b8e8fa9f74b48aba692a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ec2bd06f7d083a62ec8ec73068f2f2c9579830e55b8e8fa9f74b48aba692a3", kill_on_drop: false }`
[INFO] [stdout] 32ec2bd06f7d083a62ec8ec73068f2f2c9579830e55b8e8fa9f74b48aba692a3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] a80fad97524b2d039ec17ef4623b4d7abbe0272e7e9ccd30d791134ac8febdd7
[INFO] running `Command { std: "docker" "start" "-a" "a80fad97524b2d039ec17ef4623b4d7abbe0272e7e9ccd30d791134ac8febdd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.0.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking macro_rules_attribute v0.0.2
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking marla v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.78s
[INFO] running `Command { std: "docker" "inspect" "a80fad97524b2d039ec17ef4623b4d7abbe0272e7e9ccd30d791134ac8febdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80fad97524b2d039ec17ef4623b4d7abbe0272e7e9ccd30d791134ac8febdd7", kill_on_drop: false }`
[INFO] [stdout] a80fad97524b2d039ec17ef4623b4d7abbe0272e7e9ccd30d791134ac8febdd7