[INFO] fetching crate elfo-logger 0.1.1...
[INFO] checking elfo-logger-0.1.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate elfo-logger 0.1.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate elfo-logger 0.1.1 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 elfo-logger 0.1.1
[INFO] finished tweaking crates.io crate elfo-logger 0.1.1
[INFO] tweaked toml for crates.io crate elfo-logger 0.1.1 written to /workspace/builds/worker-75/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 57ed0a2ad1015c899d3dc7b3a985ff97af33227e1df98157b7836da27c482097
[INFO] running `Command { std: "docker" "start" "-a" "57ed0a2ad1015c899d3dc7b3a985ff97af33227e1df98157b7836da27c482097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57ed0a2ad1015c899d3dc7b3a985ff97af33227e1df98157b7836da27c482097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ed0a2ad1015c899d3dc7b3a985ff97af33227e1df98157b7836da27c482097", kill_on_drop: false }`
[INFO] [stdout] 57ed0a2ad1015c899d3dc7b3a985ff97af33227e1df98157b7836da27c482097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 291d2cdd44d976b148225bc9ea379283436fc49243e9731123ca015ad97d37f3
[INFO] running `Command { std: "docker" "start" "-a" "291d2cdd44d976b148225bc9ea379283436fc49243e9731123ca015ad97d37f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking smallbox v0.8.0
[INFO] [stderr]     Checking arc-swap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling slotmap v1.0.5
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking futures-intrusive v0.4.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling linkme-impl v0.2.6
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling elfo-macros v0.1.7
[INFO] [stderr]     Checking linkme v0.2.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking elfo-utils v0.1.0
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking elfo-core v0.1.14
[INFO] [stderr]     Checking tracing-subscriber v0.2.19
[INFO] [stderr]     Checking elfo-logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.07s
[INFO] running `Command { std: "docker" "inspect" "291d2cdd44d976b148225bc9ea379283436fc49243e9731123ca015ad97d37f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "291d2cdd44d976b148225bc9ea379283436fc49243e9731123ca015ad97d37f3", kill_on_drop: false }`
[INFO] [stdout] 291d2cdd44d976b148225bc9ea379283436fc49243e9731123ca015ad97d37f3