[INFO] fetching crate evcxr 0.6.0...
[INFO] checking evcxr-0.6.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate evcxr 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate evcxr 0.6.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr 0.6.0
[INFO] finished tweaking crates.io crate evcxr 0.6.0
[INFO] tweaked toml for crates.io crate evcxr 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate evcxr 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79d2a819b00742450817ebd13ab7011799320da02349f057532e18c8baeeea1b
[INFO] running `Command { std: "docker" "start" "-a" "79d2a819b00742450817ebd13ab7011799320da02349f057532e18c8baeeea1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d2a819b00742450817ebd13ab7011799320da02349f057532e18c8baeeea1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d2a819b00742450817ebd13ab7011799320da02349f057532e18c8baeeea1b", kill_on_drop: false }`
[INFO] [stdout] 79d2a819b00742450817ebd13ab7011799320da02349f057532e18c8baeeea1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a37b6d4495f0b2ee041276c1852e43a44784d621dfe4eaada930b2fcd7cf06d
[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" "1a37b6d4495f0b2ee041276c1852e43a44784d621dfe4eaada930b2fcd7cf06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking ra_ap_stdx v0.0.22
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ra_ap_paths v0.0.22
[INFO] [stderr]     Checking ra_ap_arena v0.0.22
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v685.0.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking ra_ap_parser v0.0.22
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.22
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.5
[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 regex-automata v0.1.9
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking perf-event v0.4.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking ra_ap_profile v0.0.22
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking semver-parser v0.10.1
[INFO] [stderr]     Checking ra_ap_vfs v0.0.22
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v5.0.0-pre.4
[INFO] [stderr]     Checking ra_ap_vfs-notify v0.0.22
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0
[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 chalk-derive v0.36.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking chalk-ir v0.36.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking tracing v0.1.21
[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 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "1a37b6d4495f0b2ee041276c1852e43a44784d621dfe4eaada930b2fcd7cf06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a37b6d4495f0b2ee041276c1852e43a44784d621dfe4eaada930b2fcd7cf06d", kill_on_drop: false }`
[INFO] [stdout] 1a37b6d4495f0b2ee041276c1852e43a44784d621dfe4eaada930b2fcd7cf06d