[INFO] cloning repository https://github.com/jsim2010/paper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsim2010/paper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0c0ba3b0ea3775d8266bd3c82b293213a22a339
[INFO] checking jsim2010/paper against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsim2010%2Fpaper" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsim2010/paper on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsim2010/paper
[INFO] finished tweaking git repo https://github.com/jsim2010/paper
[INFO] tweaked toml for git repo https://github.com/jsim2010/paper written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded battery v0.7.6
[INFO] [stderr]   Downloaded os_info v2.0.8
[INFO] [stderr]   Downloaded conventus v0.2.0
[INFO] [stderr]   Downloaded attohttpc v0.15.0
[INFO] [stderr]   Downloaded path-slash v0.1.3
[INFO] [stderr]   Downloaded starship_module_config_derive v0.1.2
[INFO] [stderr]   Downloaded sysinfo v0.14.15
[INFO] [stderr]   Downloaded uom v0.29.0
[INFO] [stderr]   Downloaded docuglot v0.1.0
[INFO] [stderr]   Downloaded lsp-types v0.77.0
[INFO] [stderr]   Downloaded git2 v0.13.11
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded market v0.19.0
[INFO] [stderr]   Downloaded cur v0.4.0
[INFO] [stderr]   Downloaded parse-display-derive v0.1.2
[INFO] [stderr]   Downloaded cur_macro v0.4.0
[INFO] [stderr]   Downloaded never v0.1.0
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded parse-display v0.1.2
[INFO] [stderr]   Downloaded starship v0.44.0
[INFO] [stderr]   Downloaded parse-display v0.2.0
[INFO] [stderr]   Downloaded parse-display-derive v0.2.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.13+1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12093b8e68030d038a6e57a2a4944b290b31bcea527963cd5065b1bd71791077
[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" "12093b8e68030d038a6e57a2a4944b290b31bcea527963cd5065b1bd71791077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12093b8e68030d038a6e57a2a4944b290b31bcea527963cd5065b1bd71791077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12093b8e68030d038a6e57a2a4944b290b31bcea527963cd5065b1bd71791077", kill_on_drop: false }`
[INFO] [stdout] 12093b8e68030d038a6e57a2a4944b290b31bcea527963cd5065b1bd71791077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e15cfc87f48fac873e2126f63bf1d7286c45836273d7c4e898dddf29ff9f55dc
[INFO] running `Command { std: "docker" "start" "-a" "e15cfc87f48fac873e2126f63bf1d7286c45836273d7c4e898dddf29ff9f55dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.30
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[INFO] [stderr]    Compiling lexical-core v0.7.4
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[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling standback v0.2.11
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[INFO] [stderr]    Compiling nom v5.1.2
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
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[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]    Compiling jobserver v0.1.21
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[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking uom v0.29.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.13+1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling parse-display-derive v0.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling cur_macro v0.4.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling parse-display-derive v0.2.0
[INFO] [stderr]    Compiling starship_module_config_derive v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.12
[INFO] [stderr]     Checking enum-map v0.6.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking cur v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking structopt v0.3.19
[INFO] [stderr]     Checking parse-display v0.1.2
[INFO] [stderr]     Checking parse-display v0.2.0
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking conventus v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking market v0.19.0
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking git2 v0.13.11
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[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking lsp-types v0.77.0
[INFO] [stderr]     Checking jsonrpc-core v14.2.0
[INFO] [stderr]     Checking docuglot v0.1.0
[INFO] [stderr]     Checking starship v0.44.0
[INFO] [stderr]     Checking paper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 02s
[INFO] running `Command { std: "docker" "inspect" "e15cfc87f48fac873e2126f63bf1d7286c45836273d7c4e898dddf29ff9f55dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15cfc87f48fac873e2126f63bf1d7286c45836273d7c4e898dddf29ff9f55dc", kill_on_drop: false }`
[INFO] [stdout] e15cfc87f48fac873e2126f63bf1d7286c45836273d7c4e898dddf29ff9f55dc