[INFO] cloning repository https://github.com/Hugal31/rcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hugal31/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93d1273d09c247429d6ceae9f75e8cc16b211a31
[INFO] checking Hugal31/rcc against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hugal31/rcc on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hugal31/rcc
[INFO] finished tweaking git repo https://github.com/Hugal31/rcc
[INFO] tweaked toml for git repo https://github.com/Hugal31/rcc written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/Hugal31/rcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5264a16ebfbe49fac6e1c68b80c90c781e23ac66fd631780b1db887dc9cde2a0
[INFO] running `Command { std: "docker" "start" "-a" "5264a16ebfbe49fac6e1c68b80c90c781e23ac66fd631780b1db887dc9cde2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5264a16ebfbe49fac6e1c68b80c90c781e23ac66fd631780b1db887dc9cde2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5264a16ebfbe49fac6e1c68b80c90c781e23ac66fd631780b1db887dc9cde2a0", kill_on_drop: false }`
[INFO] [stdout] 5264a16ebfbe49fac6e1c68b80c90c781e23ac66fd631780b1db887dc9cde2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba4885bb8378b7046a5769126bc235d42384417964bb983c692d7f5450cfcbae
[INFO] running `Command { std: "docker" "start" "-a" "ba4885bb8378b7046a5769126bc235d42384417964bb983c692d7f5450cfcbae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.21
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rcc 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/compile/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         errors {
[INFO] [stdout] 13 | |             VariableAlreadyExists
[INFO] [stdout] 14 | |             UnknownVariable
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     error_chain! {
[INFO] [stdout] 24 | |         errors {
[INFO] [stdout] 25 | |             SyntaxError(desc: String) {
[INFO] [stdout] 26 | |                 description("syntax error")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |         }
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/compile/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         errors {
[INFO] [stdout] 13 | |             VariableAlreadyExists
[INFO] [stdout] 14 | |             UnknownVariable
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     error_chain! {
[INFO] [stdout] 24 | |         errors {
[INFO] [stdout] 25 | |             SyntaxError(desc: String) {
[INFO] [stdout] 26 | |                 description("syntax error")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |         }
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/compile/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         errors {
[INFO] [stdout] 13 | |             VariableAlreadyExists
[INFO] [stdout] 14 | |             UnknownVariable
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     error_chain! {
[INFO] [stdout] 24 | |         errors {
[INFO] [stdout] 25 | |             SyntaxError(desc: String) {
[INFO] [stdout] 26 | |                 description("syntax error")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |         }
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/compile/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     error_chain! {
[INFO] [stdout] 12 | |         errors {
[INFO] [stdout] 13 | |             VariableAlreadyExists
[INFO] [stdout] 14 | |             UnknownVariable
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_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/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     error_chain! {
[INFO] [stdout] 24 | |         errors {
[INFO] [stdout] 25 | |             SyntaxError(desc: String) {
[INFO] [stdout] 26 | |                 description("syntax error")
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |         }
[INFO] [stdout] 36 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_scope_size`
[INFO] [stdout]   --> src/compile/context.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_scope_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/compile/scope.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new() -> Scope<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_scope_size`
[INFO] [stdout]   --> src/compile/context.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_scope_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "ba4885bb8378b7046a5769126bc235d42384417964bb983c692d7f5450cfcbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4885bb8378b7046a5769126bc235d42384417964bb983c692d7f5450cfcbae", kill_on_drop: false }`
[INFO] [stdout] ba4885bb8378b7046a5769126bc235d42384417964bb983c692d7f5450cfcbae