[INFO] fetching crate switchboard-common 0.11.6...
[INFO] building switchboard-common-0.11.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate switchboard-common 0.11.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate switchboard-common 0.11.6
[INFO] finished tweaking crates.io crate switchboard-common 0.11.6
[INFO] tweaked toml for crates.io crate switchboard-common 0.11.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate switchboard-common 0.11.6 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate switchboard-common 0.11.6 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d4e675b8c00913f283e92e90d11008bddf5d0a274fa4a81fde28b09f2569f3b
[INFO] running `Command { std: "docker" "start" "-a" "9d4e675b8c00913f283e92e90d11008bddf5d0a274fa4a81fde28b09f2569f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d4e675b8c00913f283e92e90d11008bddf5d0a274fa4a81fde28b09f2569f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4e675b8c00913f283e92e90d11008bddf5d0a274fa4a81fde28b09f2569f3b", kill_on_drop: false }`
[INFO] [stdout] 9d4e675b8c00913f283e92e90d11008bddf5d0a274fa4a81fde28b09f2569f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 921b3a056b109d65cebd78a5f29e9accffdfa6ecbb7052127eb39631a11a5d00
[INFO] running `Command { std: "docker" "start" "-a" "921b3a056b109d65cebd78a5f29e9accffdfa6ecbb7052127eb39631a11a5d00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling switchboard-common v0.11.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.01s
[INFO] running `Command { std: "docker" "inspect" "921b3a056b109d65cebd78a5f29e9accffdfa6ecbb7052127eb39631a11a5d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921b3a056b109d65cebd78a5f29e9accffdfa6ecbb7052127eb39631a11a5d00", kill_on_drop: false }`
[INFO] [stdout] 921b3a056b109d65cebd78a5f29e9accffdfa6ecbb7052127eb39631a11a5d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d52afd957f98f827076184e742a628e1efb531c040c4ef1164a93431bc8347b4
[INFO] running `Command { std: "docker" "start" "-a" "d52afd957f98f827076184e742a628e1efb531c040c4ef1164a93431bc8347b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling switchboard-common v0.11.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::anyhow`
[INFO] [stdout]    --> src/error.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     use anyhow::anyhow;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "d52afd957f98f827076184e742a628e1efb531c040c4ef1164a93431bc8347b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52afd957f98f827076184e742a628e1efb531c040c4ef1164a93431bc8347b4", kill_on_drop: false }`
[INFO] [stdout] d52afd957f98f827076184e742a628e1efb531c040c4ef1164a93431bc8347b4