[INFO] fetching crate witchcraft-log 0.3.1...
[INFO] checking witchcraft-log-0.3.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate witchcraft-log 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate witchcraft-log 0.3.1 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 witchcraft-log 0.3.1
[INFO] finished tweaking crates.io crate witchcraft-log 0.3.1
[INFO] tweaked toml for crates.io crate witchcraft-log 0.3.1 written to /workspace/builds/worker-7/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] 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] afc79b6eb7a467e49533bbbc2a7dadb5551ba248d4be17fe1e3ea530cf71a94f
[INFO] running `Command { std: "docker" "start" "-a" "afc79b6eb7a467e49533bbbc2a7dadb5551ba248d4be17fe1e3ea530cf71a94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc79b6eb7a467e49533bbbc2a7dadb5551ba248d4be17fe1e3ea530cf71a94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc79b6eb7a467e49533bbbc2a7dadb5551ba248d4be17fe1e3ea530cf71a94f", kill_on_drop: false }`
[INFO] [stdout] afc79b6eb7a467e49533bbbc2a7dadb5551ba248d4be17fe1e3ea530cf71a94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b65f52f734681d3678a5010a1abccb6f50f96a51c4e37f842db4cd9d96ccf1e5
[INFO] running `Command { std: "docker" "start" "-a" "b65f52f734681d3678a5010a1abccb6f50f96a51c4e37f842db4cd9d96ccf1e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_test v1.0.127
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking conjure-object v0.7.4
[INFO] [stderr]     Checking conjure-error v0.7.4
[INFO] [stderr]     Checking witchcraft-log v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "b65f52f734681d3678a5010a1abccb6f50f96a51c4e37f842db4cd9d96ccf1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65f52f734681d3678a5010a1abccb6f50f96a51c4e37f842db4cd9d96ccf1e5", kill_on_drop: false }`
[INFO] [stdout] b65f52f734681d3678a5010a1abccb6f50f96a51c4e37f842db4cd9d96ccf1e5