[INFO] fetching crate evcxr_jupyter 0.8.1...
[INFO] checking evcxr_jupyter-0.8.1 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate evcxr_jupyter 0.8.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.8.1 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr_jupyter 0.8.1
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.8.1
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.8.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b0cd4de12d5d5e4231fdd25aa96484e6a62e17853e32284de833c87cb06041b
[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" "7b0cd4de12d5d5e4231fdd25aa96484e6a62e17853e32284de833c87cb06041b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0cd4de12d5d5e4231fdd25aa96484e6a62e17853e32284de833c87cb06041b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0cd4de12d5d5e4231fdd25aa96484e6a62e17853e32284de833c87cb06041b", kill_on_drop: false }`
[INFO] [stdout] 7b0cd4de12d5d5e4231fdd25aa96484e6a62e17853e32284de833c87cb06041b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fece3ec40147fd07406e09e91387096ef36c0f8062a38281f201f29f58ef3af
[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" "0fece3ec40147fd07406e09e91387096ef36c0f8062a38281f201f29f58ef3af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking once_cell v1.5.2
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[INFO] [stderr]    Compiling fst v0.4.5
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[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.37
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[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]     Checking ra_ap_parser v0.0.37
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[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
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[INFO] [stderr]    Compiling zmq-sys v0.11.0
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[INFO] [stderr]     Checking ra_ap_vfs-notify v0.0.37
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
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[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling chalk-derive v0.55.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking chalk-ir v0.55.0
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[INFO] [stderr]     Checking thiserror v1.0.23
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[INFO] [stderr]     Checking cargo-platform v0.1.1
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[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking cargo_metadata v0.12.3
[INFO] [stderr]     Checking ra_ap_syntax v0.0.37
[INFO] [stderr]     Checking tracing-tree v0.1.7
[INFO] [stderr]     Checking chalk-solve v0.55.0
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[INFO] [stderr]     Checking ra_ap_completion v0.0.37
[INFO] [stderr]     Checking ra_ap_ide v0.0.37
[INFO] [stderr]     Checking evcxr v0.8.1
[INFO] [stderr]     Checking evcxr_jupyter v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "0fece3ec40147fd07406e09e91387096ef36c0f8062a38281f201f29f58ef3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fece3ec40147fd07406e09e91387096ef36c0f8062a38281f201f29f58ef3af", kill_on_drop: false }`
[INFO] [stdout] 0fece3ec40147fd07406e09e91387096ef36c0f8062a38281f201f29f58ef3af