[INFO] fetching crate tracery 0.2.1...
[INFO] checking tracery-0.2.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate tracery 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tracery 0.2.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracery 0.2.1
[INFO] finished tweaking crates.io crate tracery 0.2.1
[INFO] tweaked toml for crates.io crate tracery 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded split_preserve v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd73ccdd35418ebf1244e1ee7c7548bf1b5abc138629a281c97e3c5d6d8e1c4b
[INFO] running `Command { std: "docker" "start" "-a" "fd73ccdd35418ebf1244e1ee7c7548bf1b5abc138629a281c97e3c5d6d8e1c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd73ccdd35418ebf1244e1ee7c7548bf1b5abc138629a281c97e3c5d6d8e1c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd73ccdd35418ebf1244e1ee7c7548bf1b5abc138629a281c97e3c5d6d8e1c4b", kill_on_drop: false }`
[INFO] [stdout] fd73ccdd35418ebf1244e1ee7c7548bf1b5abc138629a281c97e3c5d6d8e1c4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 814d70395f6fefb433be92354b3c041e7f38673852a5a46d2efdacaf5fdc741e
[INFO] running `Command { std: "docker" "start" "-a" "814d70395f6fefb433be92354b3c041e7f38673852a5a46d2efdacaf5fdc741e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking split_preserve v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tracery v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.81s
[INFO] running `Command { std: "docker" "inspect" "814d70395f6fefb433be92354b3c041e7f38673852a5a46d2efdacaf5fdc741e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "814d70395f6fefb433be92354b3c041e7f38673852a5a46d2efdacaf5fdc741e", kill_on_drop: false }`
[INFO] [stdout] 814d70395f6fefb433be92354b3c041e7f38673852a5a46d2efdacaf5fdc741e