[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] 21045d8f1086c669dd428a3b5bdcc4a58e13acec
[INFO] checking artichoke/artichoke against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
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Updating files: 100% (17712/17712), done.
[INFO] validating manifest of git repo https://github.com/artichoke/artichoke on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-13/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b45413b329af43d52177dc3580414f4b97663e7322a106bf93974a5ee63d9b
[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" "16b45413b329af43d52177dc3580414f4b97663e7322a106bf93974a5ee63d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b45413b329af43d52177dc3580414f4b97663e7322a106bf93974a5ee63d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b45413b329af43d52177dc3580414f4b97663e7322a106bf93974a5ee63d9b", kill_on_drop: false }`
[INFO] [stdout] 16b45413b329af43d52177dc3580414f4b97663e7322a106bf93974a5ee63d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aaf65fe46f54a75d71cdf6b84dd044e4aedebd2106df5445dfa2d6ac90c5590
[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" "9aaf65fe46f54a75d71cdf6b84dd044e4aedebd2106df5445dfa2d6ac90c5590", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking focaccia v1.0.1
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking artichoke-core v0.7.0 (/opt/rustwide/workdir/artichoke-core)
[INFO] [stderr]     Checking scolapasta-hex v0.1.0 (/opt/rustwide/workdir/scolapasta-hex)
[INFO] [stderr]     Checking intaglio v1.2.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]     Checking spinoso-array v0.4.0 (/opt/rustwide/workdir/spinoso-array)
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]     Checking scolapasta-string-escape v0.1.0 (/opt/rustwide/workdir/scolapasta-string-escape)
[INFO] [stderr]     Checking spinoso-string v0.1.0 (/opt/rustwide/workdir/spinoso-string)
[INFO] [stderr]     Checking spinoso-math v0.1.0 (/opt/rustwide/workdir/spinoso-math)
[INFO] [stderr]    Compiling quote v1.0.8
[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 getrandom v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling artichoke v0.1.0-pre.0 (/opt/rustwide/workdir)
[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 parse-zoneinfo v0.3.0
[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 v7.1.0
[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 32s
[INFO] running `Command { std: "docker" "inspect" "9aaf65fe46f54a75d71cdf6b84dd044e4aedebd2106df5445dfa2d6ac90c5590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaf65fe46f54a75d71cdf6b84dd044e4aedebd2106df5445dfa2d6ac90c5590", kill_on_drop: false }`
[INFO] [stdout] 9aaf65fe46f54a75d71cdf6b84dd044e4aedebd2106df5445dfa2d6ac90c5590