[INFO] cloning repository https://github.com/kritzcreek/compiling-with-continuations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kritzcreek/compiling-with-continuations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkritzcreek%2Fcompiling-with-continuations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkritzcreek%2Fcompiling-with-continuations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5509f43989bca2efe39507e83ae6f20b0cb57b87
[INFO] checking kritzcreek/compiling-with-continuations against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkritzcreek%2Fcompiling-with-continuations" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kritzcreek/compiling-with-continuations on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kritzcreek/compiling-with-continuations
[INFO] finished tweaking git repo https://github.com/kritzcreek/compiling-with-continuations
[INFO] tweaked toml for git repo https://github.com/kritzcreek/compiling-with-continuations written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kritzcreek/compiling-with-continuations 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02374203e70b31cb6b0eb58e946780bbd997e832f485a5a72ae1c432e9d4ecbe
[INFO] running `Command { std: "docker" "start" "-a" "02374203e70b31cb6b0eb58e946780bbd997e832f485a5a72ae1c432e9d4ecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02374203e70b31cb6b0eb58e946780bbd997e832f485a5a72ae1c432e9d4ecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02374203e70b31cb6b0eb58e946780bbd997e832f485a5a72ae1c432e9d4ecbe", kill_on_drop: false }`
[INFO] [stdout] 02374203e70b31cb6b0eb58e946780bbd997e832f485a5a72ae1c432e9d4ecbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da1effab1d0372213e7d4d1051775266c5a7a64e0f1f3484618cf576caeaf097
[INFO] running `Command { std: "docker" "start" "-a" "da1effab1d0372213e7d4d1051775266c5a7a64e0f1f3484618cf576caeaf097", kill_on_drop: false }`
[INFO] [stderr]     Checking compiling-with-continuations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Var` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Var = String;
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccessPath` is never used
[INFO] [stdout]  --> src/main.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type AccessPath = Vec<i32>; // Must be nonempty
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConRep` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum ConRep {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Con` is never used
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Con {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrimOp` is never used
[INFO] [stdout]   --> src/main.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum PrimOp {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exp` is never used
[INFO] [stdout]   --> src/main.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | enum Exp {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Var` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Var = String;
[INFO] [stdout]   |      ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccessPath` is never used
[INFO] [stdout]  --> src/main.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type AccessPath = Vec<i32>; // Must be nonempty
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ConRep` is never used
[INFO] [stdout]  --> src/main.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum ConRep {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Con` is never used
[INFO] [stdout]   --> src/main.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Con {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PrimOp` is never used
[INFO] [stdout]   --> src/main.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum PrimOp {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Exp` is never used
[INFO] [stdout]   --> src/main.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 75 | enum Exp {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "da1effab1d0372213e7d4d1051775266c5a7a64e0f1f3484618cf576caeaf097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1effab1d0372213e7d4d1051775266c5a7a64e0f1f3484618cf576caeaf097", kill_on_drop: false }`
[INFO] [stdout] da1effab1d0372213e7d4d1051775266c5a7a64e0f1f3484618cf576caeaf097