[INFO] fetching crate relabuf 0.16.0...
[INFO] building relabuf-0.16.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate relabuf 0.16.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate relabuf 0.16.0
[INFO] finished tweaking crates.io crate relabuf 0.16.0
[INFO] tweaked toml for crates.io crate relabuf 0.16.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate relabuf 0.16.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 100 packages to latest compatible versions
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.6.0)
[INFO] [stderr]       Adding backoff v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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 flume v0.10.14
[INFO] [stderr]   Downloaded backoff v0.3.0
[INFO] [stderr]   Downloaded smol-timeout v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97122a3f5e0e3f090e51416e4e3380ef22e07d0de21c68c1bdf118dd988a24e2
[INFO] running `Command { std: "docker" "start" "-a" "97122a3f5e0e3f090e51416e4e3380ef22e07d0de21c68c1bdf118dd988a24e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97122a3f5e0e3f090e51416e4e3380ef22e07d0de21c68c1bdf118dd988a24e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97122a3f5e0e3f090e51416e4e3380ef22e07d0de21c68c1bdf118dd988a24e2", kill_on_drop: false }`
[INFO] [stdout] 97122a3f5e0e3f090e51416e4e3380ef22e07d0de21c68c1bdf118dd988a24e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc52aabd8957186f723fdc5acf8e52127956c6dcbb4dfe67987c7ed12943c585
[INFO] running `Command { std: "docker" "start" "-a" "cc52aabd8957186f723fdc5acf8e52127956c6dcbb4dfe67987c7ed12943c585", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling backoff v0.3.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling smol-timeout v0.6.1
[INFO] [stderr]    Compiling relabuf v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "cc52aabd8957186f723fdc5acf8e52127956c6dcbb4dfe67987c7ed12943c585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc52aabd8957186f723fdc5acf8e52127956c6dcbb4dfe67987c7ed12943c585", kill_on_drop: false }`
[INFO] [stdout] cc52aabd8957186f723fdc5acf8e52127956c6dcbb4dfe67987c7ed12943c585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6801ce38e15d4cbc3f7ef01495ccd0420694b48e5f76c4624abc41a9f778fb6
[INFO] running `Command { std: "docker" "start" "-a" "a6801ce38e15d4cbc3f7ef01495ccd0420694b48e5f76c4624abc41a9f778fb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling relabuf v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "a6801ce38e15d4cbc3f7ef01495ccd0420694b48e5f76c4624abc41a9f778fb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6801ce38e15d4cbc3f7ef01495ccd0420694b48e5f76c4624abc41a9f778fb6", kill_on_drop: false }`
[INFO] [stdout] a6801ce38e15d4cbc3f7ef01495ccd0420694b48e5f76c4624abc41a9f778fb6