[INFO] fetching crate tf-demo-parser 0.2.6...
[INFO] checking tf-demo-parser-0.2.6 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate tf-demo-parser 0.2.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tf-demo-parser 0.2.6 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tf-demo-parser 0.2.6
[INFO] finished tweaking crates.io crate tf-demo-parser 0.2.6
[INFO] tweaked toml for crates.io crate tf-demo-parser 0.2.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tf-demo-parser 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19b6d50d29d3174a7e0cf55429a3ca49527c1221c29c5327968d66147e37293
[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" "c19b6d50d29d3174a7e0cf55429a3ca49527c1221c29c5327968d66147e37293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19b6d50d29d3174a7e0cf55429a3ca49527c1221c29c5327968d66147e37293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19b6d50d29d3174a7e0cf55429a3ca49527c1221c29c5327968d66147e37293", kill_on_drop: false }`
[INFO] [stdout] c19b6d50d29d3174a7e0cf55429a3ca49527c1221c29c5327968d66147e37293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43f67a7d39b0e2dca799202dbab55a3ced4890b06fc850be30bfcde438359cf7
[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" "43f67a7d39b0e2dca799202dbab55a3ced4890b06fc850be30bfcde438359cf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling err-derive v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling syn_util v0.4.2
[INFO] [stderr]    Compiling structmeta-derive v0.1.3
[INFO] [stderr]    Compiling enumflags2_derive v0.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling bitbuffer_derive v0.8.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking bitbuffer v0.8.1
[INFO] [stderr]     Checking enumflags2 v0.7.1
[INFO] [stderr]    Compiling structmeta v0.1.3
[INFO] [stderr]    Compiling parse-display-derive v0.5.0
[INFO] [stderr]     Checking parse-display v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[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 v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 48.36s
[INFO] running `Command { std: "docker" "inspect" "43f67a7d39b0e2dca799202dbab55a3ced4890b06fc850be30bfcde438359cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f67a7d39b0e2dca799202dbab55a3ced4890b06fc850be30bfcde438359cf7", kill_on_drop: false }`
[INFO] [stdout] 43f67a7d39b0e2dca799202dbab55a3ced4890b06fc850be30bfcde438359cf7