[INFO] fetching crate scaff 0.1.3...
[INFO] checking scaff-0.1.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate scaff 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate scaff 0.1.3 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scaff 0.1.3
[INFO] finished tweaking crates.io crate scaff 0.1.3
[INFO] tweaked toml for crates.io crate scaff 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate scaff 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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 block-padding v0.1.4
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded ignore v0.4.10
[INFO] [stderr]   Downloaded globwalk v0.7.1
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded error-chain v0.12.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
[INFO] [stderr]   Downloaded base-x v0.2.7
[INFO] [stderr]   Downloaded miniz_oxide v0.3.3
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded synstructure v0.12.1
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded rustyline v5.0.3
[INFO] [stderr]   Downloaded git2 v0.10.1
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded jobserver v0.1.17
[INFO] [stderr]   Downloaded ureq v1.5.1
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded flate2 v1.0.12
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded blake2b_simd v0.5.8
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded tera v1.0.0-beta.18
[INFO] [stderr]   Downloaded libgit2-sys v0.9.1
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] [stderr]   Downloaded libssh2-sys v0.2.13
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] [stderr]   Downloaded just-fetch v0.1.2
[INFO] [stderr]   Downloaded parse-zoneinfo v0.2.0
[INFO] [stderr]   Downloaded chrono-tz v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6f708abfda4da521c7a123ee59532a14b4c63f6071a7956c4b641efea9e04a4
[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" "e6f708abfda4da521c7a123ee59532a14b4c63f6071a7956c4b641efea9e04a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6f708abfda4da521c7a123ee59532a14b4c63f6071a7956c4b641efea9e04a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f708abfda4da521c7a123ee59532a14b4c63f6071a7956c4b641efea9e04a4", kill_on_drop: false }`
[INFO] [stdout] e6f708abfda4da521c7a123ee59532a14b4c63f6071a7956c4b641efea9e04a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd5208a6641c10fed634d9483e2087eb9e5b48a5424b68aacba70d1c5a20bedf
[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" "bd5208a6641c10fed634d9483e2087eb9e5b48a5424b68aacba70d1c5a20bedf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking miniz_oxide v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.0
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking tera v1.0.0-beta.18
[INFO] [stderr]     Checking ureq v1.5.1
[INFO] [stderr]     Checking just-fetch v0.1.2
[INFO] [stderr]     Checking scaff v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `Command { std: "docker" "inspect" "bd5208a6641c10fed634d9483e2087eb9e5b48a5424b68aacba70d1c5a20bedf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5208a6641c10fed634d9483e2087eb9e5b48a5424b68aacba70d1c5a20bedf", kill_on_drop: false }`
[INFO] [stdout] bd5208a6641c10fed634d9483e2087eb9e5b48a5424b68aacba70d1c5a20bedf