[INFO] fetching crate xivar 0.4.0...
[INFO] checking xivar-0.4.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate xivar 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xivar 0.4.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xivar 0.4.0
[INFO] finished tweaking crates.io crate xivar 0.4.0
[INFO] tweaked toml for crates.io crate xivar 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate xivar 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 154b998b2bad735ccc70d4b55668cb28c2cd12314f916472860707172c2f8497
[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" "154b998b2bad735ccc70d4b55668cb28c2cd12314f916472860707172c2f8497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "154b998b2bad735ccc70d4b55668cb28c2cd12314f916472860707172c2f8497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "154b998b2bad735ccc70d4b55668cb28c2cd12314f916472860707172c2f8497", kill_on_drop: false }`
[INFO] [stdout] 154b998b2bad735ccc70d4b55668cb28c2cd12314f916472860707172c2f8497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e150509d4ce06cf62bbb5a545ec806f314d6ead914e387852b26506393f9e8
[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" "b5e150509d4ce06cf62bbb5a545ec806f314d6ead914e387852b26506393f9e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
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[INFO] [stderr]    Compiling anyhow v1.0.35
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[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling syn v1.0.53
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[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.5+1.42.0
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[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking dialoguer v0.7.1
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[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking lopdf v0.26.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking tracing-futures v0.2.4
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[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_qs v0.7.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking bincode v1.3.1
[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 3m 45s
[INFO] running `Command { std: "docker" "inspect" "b5e150509d4ce06cf62bbb5a545ec806f314d6ead914e387852b26506393f9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e150509d4ce06cf62bbb5a545ec806f314d6ead914e387852b26506393f9e8", kill_on_drop: false }`
[INFO] [stdout] b5e150509d4ce06cf62bbb5a545ec806f314d6ead914e387852b26506393f9e8