[INFO] cloning repository https://github.com/artichoke/artichoke
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artichoke/artichoke" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c717f9d24c6caa3c181508e04874a03cfd22a9c7
[INFO] checking artichoke/artichoke against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artichoke/artichoke on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/artichoke/artichoke
[INFO] finished tweaking git repo https://github.com/artichoke/artichoke
[INFO] tweaked toml for git repo https://github.com/artichoke/artichoke written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/artichoke/artichoke already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59c56f90874b78dbab8ed91333889f19a2258b0e5cb1a83889db4d751065b823
[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" "59c56f90874b78dbab8ed91333889f19a2258b0e5cb1a83889db4d751065b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c56f90874b78dbab8ed91333889f19a2258b0e5cb1a83889db4d751065b823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c56f90874b78dbab8ed91333889f19a2258b0e5cb1a83889db4d751065b823", kill_on_drop: false }`
[INFO] [stdout] 59c56f90874b78dbab8ed91333889f19a2258b0e5cb1a83889db4d751065b823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] d7a51901757a2611815ad976a04b1c9b2b71a8a1071b0e1d75af3f16ff56bc2f
[INFO] running `Command { std: "docker" "start" "-a" "d7a51901757a2611815ad976a04b1c9b2b71a8a1071b0e1d75af3f16ff56bc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]     Checking focaccia v1.0.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking scolapasta-hex v0.1.0 (/opt/rustwide/workdir/scolapasta-hex)
[INFO] [stderr]     Checking artichoke-core v0.8.0 (/opt/rustwide/workdir/artichoke-core)
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking intaglio v1.2.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking spinoso-math v0.1.0 (/opt/rustwide/workdir/spinoso-math)
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling cstr v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]     Checking scolapasta-string-escape v0.2.0 (/opt/rustwide/workdir/scolapasta-string-escape)
[INFO] [stderr]     Checking spinoso-string v0.1.0 (/opt/rustwide/workdir/spinoso-string)
[INFO] [stderr]     Checking spinoso-symbol v0.1.0 (/opt/rustwide/workdir/spinoso-symbol)
[INFO] [stderr]     Checking spinoso-exception v0.1.0 (/opt/rustwide/workdir/spinoso-exception)
[INFO] [stderr]     Checking spinoso-env v0.1.0 (/opt/rustwide/workdir/spinoso-env)
[INFO] [stderr]     Checking spinoso-array v0.5.1 (/opt/rustwide/workdir/spinoso-array)
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking spinoso-random v0.1.0 (/opt/rustwide/workdir/spinoso-random)
[INFO] [stderr]     Checking spinoso-securerandom v0.1.0 (/opt/rustwide/workdir/spinoso-securerandom)
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling artichoke v0.1.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking onig v6.1.1
[INFO] [stderr]     Checking spinoso-regexp v0.1.0 (/opt/rustwide/workdir/spinoso-regexp)
[INFO] [stderr]     Checking rustyline v8.0.0
[INFO] [stderr]    Compiling artichoke-backend v0.1.0 (/opt/rustwide/workdir/artichoke-backend)
[INFO] [stderr]     Checking spinoso-time v0.1.0 (/opt/rustwide/workdir/spinoso-time)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "d7a51901757a2611815ad976a04b1c9b2b71a8a1071b0e1d75af3f16ff56bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a51901757a2611815ad976a04b1c9b2b71a8a1071b0e1d75af3f16ff56bc2f", kill_on_drop: false }`
[INFO] [stdout] d7a51901757a2611815ad976a04b1c9b2b71a8a1071b0e1d75af3f16ff56bc2f