[INFO] fetching crate json-number 0.4.8...
[INFO] checking json-number-0.4.8 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate json-number 0.4.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json-number 0.4.8 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-number 0.4.8
[INFO] finished tweaking crates.io crate json-number 0.4.8
[INFO] tweaked toml for crates.io crate json-number 0.4.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding ryu-js v0.2.2 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu-js v0.2.2
[INFO] [stderr]   Downloaded lexical v6.1.1
[INFO] [stderr]   Downloaded lexical-core v0.8.5
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.6
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.5
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.5
[INFO] [stderr]   Downloaded lexical-write-float v0.8.5
[INFO] [stderr]   Downloaded lexical-util v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b7093fde6bf440b4e42215edf149410c50a979e3a7935c9c23aa3a808e1be8a
[INFO] running `Command { std: "docker" "start" "-a" "1b7093fde6bf440b4e42215edf149410c50a979e3a7935c9c23aa3a808e1be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7093fde6bf440b4e42215edf149410c50a979e3a7935c9c23aa3a808e1be8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7093fde6bf440b4e42215edf149410c50a979e3a7935c9c23aa3a808e1be8a", kill_on_drop: false }`
[INFO] [stdout] 1b7093fde6bf440b4e42215edf149410c50a979e3a7935c9c23aa3a808e1be8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8a2e60069034f1aa9e063f8db065a3a4f9a93f59aaeb772f34a4217f8c4fc7
[INFO] running `Command { std: "docker" "start" "-a" "4d8a2e60069034f1aa9e063f8db065a3a4f9a93f59aaeb772f34a4217f8c4fc7", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking json-number v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.89s
[INFO] running `Command { std: "docker" "inspect" "4d8a2e60069034f1aa9e063f8db065a3a4f9a93f59aaeb772f34a4217f8c4fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8a2e60069034f1aa9e063f8db065a3a4f9a93f59aaeb772f34a4217f8c4fc7", kill_on_drop: false }`
[INFO] [stdout] 4d8a2e60069034f1aa9e063f8db065a3a4f9a93f59aaeb772f34a4217f8c4fc7