[INFO] cloning repository https://github.com/sgmenda/dinky-c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgmenda/dinky-c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgmenda%2Fdinky-c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgmenda%2Fdinky-c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88344461963348a78a27856630f01b4be8a60017
[INFO] checking sgmenda/dinky-c against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgmenda%2Fdinky-c" "/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/sgmenda/dinky-c on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sgmenda/dinky-c
[INFO] finished tweaking git repo https://github.com/sgmenda/dinky-c
[INFO] tweaked toml for git repo https://github.com/sgmenda/dinky-c written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/sgmenda/dinky-c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v0.16.0
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 598b2fff32e6dfc3a561857c1e73fb8b8079509f4e3407dcc728c787ab272c20
[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" "598b2fff32e6dfc3a561857c1e73fb8b8079509f4e3407dcc728c787ab272c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "598b2fff32e6dfc3a561857c1e73fb8b8079509f4e3407dcc728c787ab272c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598b2fff32e6dfc3a561857c1e73fb8b8079509f4e3407dcc728c787ab272c20", kill_on_drop: false }`
[INFO] [stdout] 598b2fff32e6dfc3a561857c1e73fb8b8079509f4e3407dcc728c787ab272c20
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c8bbef364d86dd8746e71d34584319c8083be8c80423a8a31c3bb41234356d
[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" "c1c8bbef364d86dd8746e71d34584319c8083be8c80423a8a31c3bb41234356d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking dinky-c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/parser/symbols.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     Assign {
[INFO] [stdout] 20 | |         variable: Identifier,
[INFO] [stdout] 21 | |         optional_expr_ptr: Option<Box<ASTNode>>,
[INFO] [stdout] 22 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/parser/symbols.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     Expression {
[INFO] [stdout] 24 | |         expr_ptr: Box<ASTNode>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking insta v0.16.0
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/parser/symbols.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     Assign {
[INFO] [stdout] 20 | |         variable: Identifier,
[INFO] [stdout] 21 | |         optional_expr_ptr: Option<Box<ASTNode>>,
[INFO] [stdout] 22 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/parser/symbols.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     Expression {
[INFO] [stdout] 24 | |         expr_ptr: Box<ASTNode>,
[INFO] [stdout] 25 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.95s
[INFO] running `Command { std: "docker" "inspect" "c1c8bbef364d86dd8746e71d34584319c8083be8c80423a8a31c3bb41234356d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c8bbef364d86dd8746e71d34584319c8083be8c80423a8a31c3bb41234356d", kill_on_drop: false }`
[INFO] [stdout] c1c8bbef364d86dd8746e71d34584319c8083be8c80423a8a31c3bb41234356d