[INFO] fetching crate black_scholes 0.6.0...
[INFO] checking black_scholes-0.6.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate black_scholes 0.6.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate black_scholes 0.6.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate black_scholes 0.6.0
[INFO] finished tweaking crates.io crate black_scholes 0.6.0
[INFO] tweaked toml for crates.io crate black_scholes 0.6.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded approx v0.2.1
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded special v0.7.8
[INFO] [stderr]   Downloaded nrfind v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f35c1f1c216f8e14d892e492260f2bf7e2093a20638925c4b59a0d1641389ec8
[INFO] running `Command { std: "docker" "start" "-a" "f35c1f1c216f8e14d892e492260f2bf7e2093a20638925c4b59a0d1641389ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35c1f1c216f8e14d892e492260f2bf7e2093a20638925c4b59a0d1641389ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35c1f1c216f8e14d892e492260f2bf7e2093a20638925c4b59a0d1641389ec8", kill_on_drop: false }`
[INFO] [stdout] f35c1f1c216f8e14d892e492260f2bf7e2093a20638925c4b59a0d1641389ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f8bf0219a5cc960f4f9b7f0d95ce8450eabeba486bc6fe44457b4dc2f26b4f
[INFO] running `Command { std: "docker" "start" "-a" "45f8bf0219a5cc960f4f9b7f0d95ce8450eabeba486bc6fe44457b4dc2f26b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking special v0.7.8
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nrfind v1.0.3
[INFO] [stderr]     Checking black_scholes v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.31s
[INFO] running `Command { std: "docker" "inspect" "45f8bf0219a5cc960f4f9b7f0d95ce8450eabeba486bc6fe44457b4dc2f26b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f8bf0219a5cc960f4f9b7f0d95ce8450eabeba486bc6fe44457b4dc2f26b4f", kill_on_drop: false }`
[INFO] [stdout] 45f8bf0219a5cc960f4f9b7f0d95ce8450eabeba486bc6fe44457b4dc2f26b4f