[INFO] fetching crate sc2-techtree 0.1.0...
[INFO] checking sc2-techtree-0.1.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate sc2-techtree 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sc2-techtree 0.1.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc2-techtree 0.1.0
[INFO] finished tweaking crates.io crate sc2-techtree 0.1.0
[INFO] tweaked toml for crates.io crate sc2-techtree 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 587283f5f8d08fed8937bcb9133143dc98b3ab9ca91b3dd3823f12baca50c2da
[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" "587283f5f8d08fed8937bcb9133143dc98b3ab9ca91b3dd3823f12baca50c2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "587283f5f8d08fed8937bcb9133143dc98b3ab9ca91b3dd3823f12baca50c2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587283f5f8d08fed8937bcb9133143dc98b3ab9ca91b3dd3823f12baca50c2da", kill_on_drop: false }`
[INFO] [stdout] 587283f5f8d08fed8937bcb9133143dc98b3ab9ca91b3dd3823f12baca50c2da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] e8fd90c877baf4d23d348af210dd51d3645652459d5a243c31660f2661514cce
[INFO] running `Command { std: "docker" "start" "-a" "e8fd90c877baf4d23d348af210dd51d3645652459d5a243c31660f2661514cce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking noisy_float v0.1.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking sc2-techtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(type_alias_enum_variants)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_alias_enum_variants` has been stable since 1.37.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(type_alias_enum_variants)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.11s
[INFO] running `Command { std: "docker" "inspect" "e8fd90c877baf4d23d348af210dd51d3645652459d5a243c31660f2661514cce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fd90c877baf4d23d348af210dd51d3645652459d5a243c31660f2661514cce", kill_on_drop: false }`
[INFO] [stdout] e8fd90c877baf4d23d348af210dd51d3645652459d5a243c31660f2661514cce