[INFO] fetching crate evcxr_jupyter 0.6.0...
[INFO] checking evcxr_jupyter-0.6.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate evcxr_jupyter 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.6.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr_jupyter 0.6.0
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.6.0
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 509e5c58d3792351c107e07eb5a63a4a0151da7b42ef068f9a516e8440dd2ace
[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" "509e5c58d3792351c107e07eb5a63a4a0151da7b42ef068f9a516e8440dd2ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509e5c58d3792351c107e07eb5a63a4a0151da7b42ef068f9a516e8440dd2ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509e5c58d3792351c107e07eb5a63a4a0151da7b42ef068f9a516e8440dd2ace", kill_on_drop: false }`
[INFO] [stdout] 509e5c58d3792351c107e07eb5a63a4a0151da7b42ef068f9a516e8440dd2ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 540bd9ea2461bf918242e0db0bffede3475cd73db0756252f3838548bb6f8547
[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" "540bd9ea2461bf918242e0db0bffede3475cd73db0756252f3838548bb6f8547", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking ra_ap_stdx v0.0.22
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking ra_ap_paths v0.0.22
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ra_ap_arena v0.0.22
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v685.0.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking ra_ap_parser v0.0.22
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[INFO] [stderr]     Checking ra_ap_toolchain v0.0.22
[INFO] [stderr]     Checking semver-parser v0.10.1
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[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
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[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking inotify v0.8.3
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking perf-event v0.4.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking notify v5.0.0-pre.4
[INFO] [stderr]     Checking ra_ap_profile v0.0.22
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0
[INFO] [stderr]     Checking ra_ap_vfs v0.0.22
[INFO] [stderr]     Checking ra_ap_vfs-notify v0.0.22
[INFO] [stderr]    Compiling chalk-derive v0.36.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking chalk-ir v0.36.0
[INFO] [stderr]     Checking salsa v0.16.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking ra_ap_tt v0.0.22
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]     Checking ra_ap_cfg v0.0.22
[INFO] [stderr]     Checking ra_ap_test_utils v0.0.22
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking cargo_metadata v0.12.0
[INFO] [stderr]     Checking ra_ap_proc_macro_api v0.0.22
[INFO] [stderr]     Checking ra_ap_syntax v0.0.22
[INFO] [stderr]     Checking tracing-tree v0.1.6
[INFO] [stderr]     Checking chalk-solve v0.36.0
[INFO] [stderr]     Checking ra_ap_base_db v0.0.22
[INFO] [stderr]     Checking ra_ap_mbe v0.0.22
[INFO] [stderr]     Checking ra_ap_project_model v0.0.22
[INFO] [stderr]     Checking ra_ap_hir_expand v0.0.22
[INFO] [stderr]     Checking ra_ap_hir_def v0.0.22
[INFO] [stderr]     Checking chalk-recursive v0.36.0
[INFO] [stderr]     Checking ra_ap_hir_ty v0.0.22
[INFO] [stderr]     Checking ra_ap_hir v0.0.22
[INFO] [stderr]     Checking ra_ap_ide_db v0.0.22
[INFO] [stderr]     Checking ra_ap_ssr v0.0.22
[INFO] [stderr]     Checking ra_ap_completion v0.0.22
[INFO] [stderr]     Checking ra_ap_assists v0.0.22
[INFO] [stderr]     Checking ra_ap_ide v0.0.22
[INFO] [stderr]     Checking evcxr v0.6.0
[INFO] [stderr]     Checking evcxr_jupyter v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "540bd9ea2461bf918242e0db0bffede3475cd73db0756252f3838548bb6f8547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540bd9ea2461bf918242e0db0bffede3475cd73db0756252f3838548bb6f8547", kill_on_drop: false }`
[INFO] [stdout] 540bd9ea2461bf918242e0db0bffede3475cd73db0756252f3838548bb6f8547