[INFO] fetching crate tf-demo-parser 0.1.0...
[INFO] checking tf-demo-parser-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate tf-demo-parser 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tf-demo-parser 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tf-demo-parser 0.1.0
[INFO] finished tweaking crates.io crate tf-demo-parser 0.1.0
[INFO] tweaked toml for crates.io crate tf-demo-parser 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tf-demo-parser 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ad20233d382ec137303ae631e160458cc1a297158bfbbb2df0784c2f32add57
[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" "9ad20233d382ec137303ae631e160458cc1a297158bfbbb2df0784c2f32add57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad20233d382ec137303ae631e160458cc1a297158bfbbb2df0784c2f32add57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad20233d382ec137303ae631e160458cc1a297158bfbbb2df0784c2f32add57", kill_on_drop: false }`
[INFO] [stdout] 9ad20233d382ec137303ae631e160458cc1a297158bfbbb2df0784c2f32add57
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eae03a7d4e0d389b23726e7dfb4da50e9f74b54395ecd4604ddaee6d3cc4ba7
[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" "3eae03a7d4e0d389b23726e7dfb4da50e9f74b54395ecd4604ddaee6d3cc4ba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling parse-display-derive v0.4.0
[INFO] [stderr]    Compiling bitbuffer_derive v0.7.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking bitbuffer v0.7.1
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking parse-display v0.4.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking tf-demo-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "3eae03a7d4e0d389b23726e7dfb4da50e9f74b54395ecd4604ddaee6d3cc4ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eae03a7d4e0d389b23726e7dfb4da50e9f74b54395ecd4604ddaee6d3cc4ba7", kill_on_drop: false }`
[INFO] [stdout] 3eae03a7d4e0d389b23726e7dfb4da50e9f74b54395ecd4604ddaee6d3cc4ba7