[INFO] cloning repository https://github.com/Mountlex/xivar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mountlex/xivar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ee32fccd1414b87de58c4337744d029f8ec99e6
[INFO] checking Mountlex/xivar against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mountlex/xivar on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mountlex/xivar
[INFO] finished tweaking git repo https://github.com/Mountlex/xivar
[INFO] tweaked toml for git repo https://github.com/Mountlex/xivar written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Mountlex/xivar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe7cea4b6f864404c2b68052bce7161715dab37e4bb13b1898133b18546eb01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0fe7cea4b6f864404c2b68052bce7161715dab37e4bb13b1898133b18546eb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe7cea4b6f864404c2b68052bce7161715dab37e4bb13b1898133b18546eb01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe7cea4b6f864404c2b68052bce7161715dab37e4bb13b1898133b18546eb01", kill_on_drop: false }`
[INFO] [stdout] 0fe7cea4b6f864404c2b68052bce7161715dab37e4bb13b1898133b18546eb01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1417aae9e9e7be3c7e8d3e0ca83808b2b17c9e2b6d077c9ca508cc22f57c75f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1417aae9e9e7be3c7e8d3e0ca83808b2b17c9e2b6d077c9ca508cc22f57c75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling openssl-sys v0.9.58
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[INFO] [stderr]    Compiling darling_core v0.10.2
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[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]    Compiling thiserror-impl v1.0.22
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[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
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[INFO] [stderr]    Compiling darling v0.10.2
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[INFO] [stderr]     Checking time-macros v0.1.1
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[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking http-client v6.2.0
[INFO] [stderr]     Checking surf v2.1.0
[INFO] [stderr]     Checking xivar v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `Command { std: "docker" "inspect" "b1417aae9e9e7be3c7e8d3e0ca83808b2b17c9e2b6d077c9ca508cc22f57c75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1417aae9e9e7be3c7e8d3e0ca83808b2b17c9e2b6d077c9ca508cc22f57c75f", kill_on_drop: false }`
[INFO] [stdout] b1417aae9e9e7be3c7e8d3e0ca83808b2b17c9e2b6d077c9ca508cc22f57c75f