[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 try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmatraszek%2Fjrtr" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmatraszek/jrtr on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74706b7a0d9fac197f4527be62688e74a9254884b353a864bb3664c96fa66b4f
[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" "74706b7a0d9fac197f4527be62688e74a9254884b353a864bb3664c96fa66b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74706b7a0d9fac197f4527be62688e74a9254884b353a864bb3664c96fa66b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74706b7a0d9fac197f4527be62688e74a9254884b353a864bb3664c96fa66b4f", kill_on_drop: false }`
[INFO] [stdout] 74706b7a0d9fac197f4527be62688e74a9254884b353a864bb3664c96fa66b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08f473a9add1c9ce19d2296c067379451a6ba414186259e6448a6302354c8b07
[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" "08f473a9add1c9ce19d2296c067379451a6ba414186259e6448a6302354c8b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking aho-corasick v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking structopt v0.2.10
[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 [unoptimized + debuginfo] target(s) in 29.87s
[INFO] running `Command { std: "docker" "inspect" "08f473a9add1c9ce19d2296c067379451a6ba414186259e6448a6302354c8b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f473a9add1c9ce19d2296c067379451a6ba414186259e6448a6302354c8b07", kill_on_drop: false }`
[INFO] [stdout] 08f473a9add1c9ce19d2296c067379451a6ba414186259e6448a6302354c8b07