[INFO] fetching crate scf-core 1.2.1...
[INFO] checking scf-core-1.2.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate scf-core 1.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scf-core 1.2.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scf-core 1.2.1
[INFO] finished tweaking crates.io crate scf-core 1.2.1
[INFO] tweaked toml for crates.io crate scf-core 1.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded log-mdc v0.1.0
[INFO] [stderr]   Downloaded flate2 v1.0.20
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded ordered-float v1.1.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded serde-value v0.5.3
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded log4rs v0.8.3
[INFO] [stderr]   Downloaded lang_extension v1.0.1
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] a8615ba3a888d020f799a3d95b2a2548f94e9097543cfb1012888424cf80b52e
[INFO] running `Command { std: "docker" "start" "-a" "a8615ba3a888d020f799a3d95b2a2548f94e9097543cfb1012888424cf80b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8615ba3a888d020f799a3d95b2a2548f94e9097543cfb1012888424cf80b52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8615ba3a888d020f799a3d95b2a2548f94e9097543cfb1012888424cf80b52e", kill_on_drop: false }`
[INFO] [stdout] a8615ba3a888d020f799a3d95b2a2548f94e9097543cfb1012888424cf80b52e
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1746763a95611d883681598c3fd871e304cd527f05b8c2221fec920d73189b3
[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" "f1746763a95611d883681598c3fd871e304cd527f05b8c2221fec920d73189b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lang_extension v1.0.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking scf-core v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.09s
[INFO] running `Command { std: "docker" "inspect" "f1746763a95611d883681598c3fd871e304cd527f05b8c2221fec920d73189b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1746763a95611d883681598c3fd871e304cd527f05b8c2221fec920d73189b3", kill_on_drop: false }`
[INFO] [stdout] f1746763a95611d883681598c3fd871e304cd527f05b8c2221fec920d73189b3