[INFO] cloning repository https://github.com/killercup/limerick_ebooks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/limerick_ebooks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Flimerick_ebooks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Flimerick_ebooks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54c596866e8275d5b141ff7ac03342d7bab7d475
[INFO] checking killercup/limerick_ebooks against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Flimerick_ebooks" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/limerick_ebooks on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/killercup/limerick_ebooks
[INFO] finished tweaking git repo https://github.com/killercup/limerick_ebooks
[INFO] tweaked toml for git repo https://github.com/killercup/limerick_ebooks written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/limerick_ebooks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c968e593be92fa19ac1d11b79464adbacefbd4b23608a8418d8c7c4af719299
[INFO] running `Command { std: "docker" "start" "-a" "0c968e593be92fa19ac1d11b79464adbacefbd4b23608a8418d8c7c4af719299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c968e593be92fa19ac1d11b79464adbacefbd4b23608a8418d8c7c4af719299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c968e593be92fa19ac1d11b79464adbacefbd4b23608a8418d8c7c4af719299", kill_on_drop: false }`
[INFO] [stdout] 0c968e593be92fa19ac1d11b79464adbacefbd4b23608a8418d8c7c4af719299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3c6fb3bda9c937d3db584cad9ee05aa17d4b981c04f6fab569d6e9c66b9b7f
[INFO] running `Command { std: "docker" "start" "-a" "fe3c6fb3bda9c937d3db584cad9ee05aa17d4b981c04f6fab569d6e9c66b9b7f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.0
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking arena-tree v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking handlebars v0.27.0
[INFO] [stderr]    Compiling structopt-derive v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking structopt v0.1.0
[INFO] [stderr]     Checking comrak v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.11.0-rc.2
[INFO] [stderr]     Checking limericks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | / error_chain! {
[INFO] [stdout] 67 | |     foreign_links {
[INFO] [stdout] 68 | |         Io(::std::io::Error);
[INFO] [stdout] 69 | |         Handlebars(::handlebars::TemplateRenderError);
[INFO] [stdout] 70 | |         Yaml(::yaml::Error);
[INFO] [stdout] 71 | |     }
[INFO] [stdout] 72 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.35s
[INFO] running `Command { std: "docker" "inspect" "fe3c6fb3bda9c937d3db584cad9ee05aa17d4b981c04f6fab569d6e9c66b9b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3c6fb3bda9c937d3db584cad9ee05aa17d4b981c04f6fab569d6e9c66b9b7f", kill_on_drop: false }`
[INFO] [stdout] fe3c6fb3bda9c937d3db584cad9ee05aa17d4b981c04f6fab569d6e9c66b9b7f