[INFO] fetching crate metrics-observer 0.4.0...
[INFO] checking metrics-observer-0.4.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate metrics-observer 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate metrics-observer 0.4.0 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 metrics-observer 0.4.0
[INFO] finished tweaking crates.io crate metrics-observer 0.4.0
[INFO] tweaked toml for crates.io crate metrics-observer 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate metrics-observer 0.4.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sketches-ddsketch v0.2.2
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded termion v2.0.3
[INFO] [stderr]   Downloaded metrics-util v0.17.0
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 71270c99ebcaa9954a5b5eddcb9b8f7fb0115eea3e0986d3076d79d59aa96c0f
[INFO] running `Command { std: "docker" "start" "-a" "71270c99ebcaa9954a5b5eddcb9b8f7fb0115eea3e0986d3076d79d59aa96c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71270c99ebcaa9954a5b5eddcb9b8f7fb0115eea3e0986d3076d79d59aa96c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71270c99ebcaa9954a5b5eddcb9b8f7fb0115eea3e0986d3076d79d59aa96c0f", kill_on_drop: false }`
[INFO] [stdout] 71270c99ebcaa9954a5b5eddcb9b8f7fb0115eea3e0986d3076d79d59aa96c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e1c59a56afb64d975b28abfac9c436ee7260b00150b66c417bc182bfe50afc3
[INFO] running `Command { std: "docker" "start" "-a" "7e1c59a56afb64d975b28abfac9c436ee7260b00150b66c417bc182bfe50afc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling prettyplease v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking metrics v0.23.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking sketches-ddsketch v0.2.2
[INFO] [stderr]     Checking termion v2.0.3
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking metrics-util v0.17.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]    Compiling prost v0.12.4
[INFO] [stderr]     Checking prost-types v0.12.4
[INFO] [stderr]    Compiling prost-build v0.12.4
[INFO] [stderr]    Compiling metrics-observer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `Command { std: "docker" "inspect" "7e1c59a56afb64d975b28abfac9c436ee7260b00150b66c417bc182bfe50afc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e1c59a56afb64d975b28abfac9c436ee7260b00150b66c417bc182bfe50afc3", kill_on_drop: false }`
[INFO] [stdout] 7e1c59a56afb64d975b28abfac9c436ee7260b00150b66c417bc182bfe50afc3