[INFO] fetching crate mathlang 0.1.0...
[INFO] checking mathlang-0.1.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mathlang 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate mathlang 0.1.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathlang 0.1.0
[INFO] finished tweaking crates.io crate mathlang 0.1.0
[INFO] tweaked toml for crates.io crate mathlang 0.1.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9a3a2b89e2691e73a125fab8c7fd95fd9010e46db291c9ac38f99fbd3557ee
[INFO] running `Command { std: "docker" "start" "-a" "3d9a3a2b89e2691e73a125fab8c7fd95fd9010e46db291c9ac38f99fbd3557ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9a3a2b89e2691e73a125fab8c7fd95fd9010e46db291c9ac38f99fbd3557ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9a3a2b89e2691e73a125fab8c7fd95fd9010e46db291c9ac38f99fbd3557ee", kill_on_drop: false }`
[INFO] [stdout] 3d9a3a2b89e2691e73a125fab8c7fd95fd9010e46db291c9ac38f99fbd3557ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa01163ffdd3da96e01cd6506f902ee0e8a8998eb0951fd1a3ef07dd8a27e5c0
[INFO] running `Command { std: "docker" "start" "-a" "fa01163ffdd3da96e01cd6506f902ee0e8a8998eb0951fd1a3ef07dd8a27e5c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking mathlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.31s
[INFO] running `Command { std: "docker" "inspect" "fa01163ffdd3da96e01cd6506f902ee0e8a8998eb0951fd1a3ef07dd8a27e5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa01163ffdd3da96e01cd6506f902ee0e8a8998eb0951fd1a3ef07dd8a27e5c0", kill_on_drop: false }`
[INFO] [stdout] fa01163ffdd3da96e01cd6506f902ee0e8a8998eb0951fd1a3ef07dd8a27e5c0