[INFO] fetching crate evcxr_jupyter 0.7.0...
[INFO] checking evcxr_jupyter-0.7.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate evcxr_jupyter 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.7.0 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 crates.io crate evcxr_jupyter 0.7.0
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.7.0
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.7.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 920a1b4d3aca3169c45a7e4d5df8078e3935fceefd81838a17e1d8b1510a79f9
[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" "920a1b4d3aca3169c45a7e4d5df8078e3935fceefd81838a17e1d8b1510a79f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "920a1b4d3aca3169c45a7e4d5df8078e3935fceefd81838a17e1d8b1510a79f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920a1b4d3aca3169c45a7e4d5df8078e3935fceefd81838a17e1d8b1510a79f9", kill_on_drop: false }`
[INFO] [stdout] 920a1b4d3aca3169c45a7e4d5df8078e3935fceefd81838a17e1d8b1510a79f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] db3d67d40ad0cd05956525e9e0b09df6d0594c7ed91223aef27af7a4bc0e3d54
[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" "db3d67d40ad0cd05956525e9e0b09df6d0594c7ed91223aef27af7a4bc0e3d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]     Checking hashbrown v0.9.1
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[INFO] [stderr]     Checking ra_ap_stdx v0.0.30
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[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
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[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.30
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
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[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v695.0.0
[INFO] [stderr]     Checking ra_ap_parser v0.0.30
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.30
[INFO] [stderr]     Checking walkdir v2.3.1
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[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
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[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking perf-event v0.4.6
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
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[INFO] [stderr]     Checking ra_ap_vfs v0.0.30
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[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0
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[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling chalk-derive v0.45.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
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[INFO] [stderr]     Checking tracing-serde v0.1.2
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[INFO] [stderr]     Checking ra_ap_cfg v0.0.30
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[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking cargo_metadata v0.12.0
[INFO] [stderr]     Checking ra_ap_syntax v0.0.30
[INFO] [stderr]     Checking tracing-tree v0.1.6
[INFO] [stderr]     Checking chalk-solve v0.45.0
[INFO] [stderr]     Checking ra_ap_base_db v0.0.30
[INFO] [stderr]     Checking ra_ap_mbe v0.0.30
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[INFO] [stderr]     Checking ra_ap_completion v0.0.30
[INFO] [stderr]     Checking ra_ap_ide v0.0.30
[INFO] [stderr]     Checking evcxr v0.7.0
[INFO] [stderr]     Checking evcxr_jupyter v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 06s
[INFO] running `Command { std: "docker" "inspect" "db3d67d40ad0cd05956525e9e0b09df6d0594c7ed91223aef27af7a4bc0e3d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3d67d40ad0cd05956525e9e0b09df6d0594c7ed91223aef27af7a4bc0e3d54", kill_on_drop: false }`
[INFO] [stdout] db3d67d40ad0cd05956525e9e0b09df6d0594c7ed91223aef27af7a4bc0e3d54