[INFO] fetching crate serde_repr_base64 0.1.0...
[INFO] checking serde_repr_base64-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate serde_repr_base64 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate serde_repr_base64 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_repr_base64 0.1.0
[INFO] finished tweaking crates.io crate serde_repr_base64 0.1.0
[INFO] tweaked toml for crates.io crate serde_repr_base64 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 29 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-io v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac26febddfff26e42fa12edb7d24226f9115dc7049d118633727cb8448e4748
[INFO] running `Command { std: "docker" "start" "-a" "eac26febddfff26e42fa12edb7d24226f9115dc7049d118633727cb8448e4748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac26febddfff26e42fa12edb7d24226f9115dc7049d118633727cb8448e4748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac26febddfff26e42fa12edb7d24226f9115dc7049d118633727cb8448e4748", kill_on_drop: false }`
[INFO] [stdout] eac26febddfff26e42fa12edb7d24226f9115dc7049d118633727cb8448e4748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18bf6095480f3046a8f3292d0830b55a83148abc43462ab43b584e4165640bbc
[INFO] running `Command { std: "docker" "start" "-a" "18bf6095480f3046a8f3292d0830b55a83148abc43462ab43b584e4165640bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking serde_repr_base64 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking postcard v1.0.10
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "18bf6095480f3046a8f3292d0830b55a83148abc43462ab43b584e4165640bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18bf6095480f3046a8f3292d0830b55a83148abc43462ab43b584e4165640bbc", kill_on_drop: false }`
[INFO] [stdout] 18bf6095480f3046a8f3292d0830b55a83148abc43462ab43b584e4165640bbc