[INFO] fetching crate serde_magnus 0.8.1...
[INFO] checking serde_magnus-0.8.1 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate serde_magnus 0.8.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate serde_magnus 0.8.1 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_magnus 0.8.1
[INFO] finished tweaking crates.io crate serde_magnus 0.8.1
[INFO] tweaked toml for crates.io crate serde_magnus 0.8.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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 45 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.4 (available: v0.70.1)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding magnus v0.6.4 (available: v0.7.1)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rb-sys v0.9.102
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys-build v0.9.102
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded magnus v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e6f6e4669c2373fd0f45b862674e45380dd68bc2c26d9df6097125ff55beeaf
[INFO] running `Command { std: "docker" "start" "-a" "0e6f6e4669c2373fd0f45b862674e45380dd68bc2c26d9df6097125ff55beeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e6f6e4669c2373fd0f45b862674e45380dd68bc2c26d9df6097125ff55beeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6f6e4669c2373fd0f45b862674e45380dd68bc2c26d9df6097125ff55beeaf", kill_on_drop: false }`
[INFO] [stdout] 0e6f6e4669c2373fd0f45b862674e45380dd68bc2c26d9df6097125ff55beeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b01670f159549cdc6a8533df3585b63eabe836efbc2596e8acb5fe07de1adcc0
[INFO] running `Command { std: "docker" "start" "-a" "b01670f159549cdc6a8533df3585b63eabe836efbc2596e8acb5fe07de1adcc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling magnus v0.6.4
[INFO] [stderr]    Compiling rb-sys-build v0.9.102
[INFO] [stderr]    Compiling rb-sys v0.9.102
[INFO] [stderr]     Checking serde_magnus v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.88s
[INFO] running `Command { std: "docker" "inspect" "b01670f159549cdc6a8533df3585b63eabe836efbc2596e8acb5fe07de1adcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01670f159549cdc6a8533df3585b63eabe836efbc2596e8acb5fe07de1adcc0", kill_on_drop: false }`
[INFO] [stdout] b01670f159549cdc6a8533df3585b63eabe836efbc2596e8acb5fe07de1adcc0