[INFO] cloning repository https://github.com/jmatraszek/jrtr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmatraszek/jrtr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmatraszek%2Fjrtr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmatraszek%2Fjrtr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cded183cf9c5e7014250730e1797e19c1b52cf4
[INFO] checking jmatraszek/jrtr against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmatraszek%2Fjrtr" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmatraszek/jrtr on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmatraszek/jrtr
[INFO] finished tweaking git repo https://github.com/jmatraszek/jrtr
[INFO] tweaked toml for git repo https://github.com/jmatraszek/jrtr written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jmatraszek/jrtr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded structopt-derive v0.2.10
[INFO] [stderr]   Downloaded structopt v0.2.10
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.5
[INFO] [stderr]   Downloaded serde_json v1.0.22
[INFO] [stderr]   Downloaded serde v1.0.69
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded regex v1.0.1
[INFO] [stderr]   Downloaded syn v0.14.4
[INFO] [stderr]   Downloaded handlebars v0.32.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 119035e5d3e021dcebb861eefd8f3ba1d89e7fc4c74a0396096a7b3c8c5b64f1
[INFO] running `Command { std: "docker" "start" "-a" "119035e5d3e021dcebb861eefd8f3ba1d89e7fc4c74a0396096a7b3c8c5b64f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119035e5d3e021dcebb861eefd8f3ba1d89e7fc4c74a0396096a7b3c8c5b64f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119035e5d3e021dcebb861eefd8f3ba1d89e7fc4c74a0396096a7b3c8c5b64f1", kill_on_drop: false }`
[INFO] [stdout] 119035e5d3e021dcebb861eefd8f3ba1d89e7fc4c74a0396096a7b3c8c5b64f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df71cb908e86f69970ddb866932adb4ac71404fdfd68a3636f5ce88e49190482
[INFO] running `Command { std: "docker" "start" "-a" "df71cb908e86f69970ddb866932adb4ac71404fdfd68a3636f5ce88e49190482", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.5
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking jrtr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Some(output) => {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Some(output) => {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "df71cb908e86f69970ddb866932adb4ac71404fdfd68a3636f5ce88e49190482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df71cb908e86f69970ddb866932adb4ac71404fdfd68a3636f5ce88e49190482", kill_on_drop: false }`
[INFO] [stdout] df71cb908e86f69970ddb866932adb4ac71404fdfd68a3636f5ce88e49190482