[INFO] cloning repository https://github.com/e-strauss/RustGettingStarted
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e-strauss/RustGettingStarted" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ca3176b3362a95cb0ba442e1a57fe87b12d22af
[INFO] checking e-strauss/RustGettingStarted against try#6db1a6a7ebb2ad243051f3ff949f987dd70cde2b+rustflags=-Dreturn-local-variable-ptr for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe-strauss%2FRustGettingStarted" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e-strauss/RustGettingStarted on toolchain 6db1a6a7ebb2ad243051f3ff949f987dd70cde2b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/e-strauss/RustGettingStarted
[INFO] finished tweaking git repo https://github.com/e-strauss/RustGettingStarted
[INFO] tweaked toml for git repo https://github.com/e-strauss/RustGettingStarted written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/e-strauss/RustGettingStarted 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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d0c1251e50614f8d865485415320fe74a6ed89168812bc302f55d6e553e494
[INFO] running `Command { std: "docker" "start" "-a" "b9d0c1251e50614f8d865485415320fe74a6ed89168812bc302f55d6e553e494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d0c1251e50614f8d865485415320fe74a6ed89168812bc302f55d6e553e494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0c1251e50614f8d865485415320fe74a6ed89168812bc302f55d6e553e494", kill_on_drop: false }`
[INFO] [stdout] b9d0c1251e50614f8d865485415320fe74a6ed89168812bc302f55d6e553e494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Dreturn-local-variable-ptr" "-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" "+6db1a6a7ebb2ad243051f3ff949f987dd70cde2b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a4586765f7c9ec4706f1a8507c478270802ead523fe06f8c17f5ba9ea07e51d
[INFO] running `Command { std: "docker" "start" "-a" "5a4586765f7c9ec4706f1a8507c478270802ead523fe06f8c17f5ba9ea07e51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking ferris-says v0.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking RustGettingStarted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/main.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixed_list`
[INFO] [stdout]    --> src/main.rs:230:38
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/main.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mixed_list`
[INFO] [stdout]    --> src/main.rs:230:38
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |                                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mixed_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_deleted_number` is never used
[INFO] [stdout]    --> src/main.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_deleted_number` is never used
[INFO] [stdout]    --> src/main.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn find_deleted_number(list: &[u16], mixed_list: &[u16]) -> Option<u16> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "5a4586765f7c9ec4706f1a8507c478270802ead523fe06f8c17f5ba9ea07e51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4586765f7c9ec4706f1a8507c478270802ead523fe06f8c17f5ba9ea07e51d", kill_on_drop: false }`
[INFO] [stdout] 5a4586765f7c9ec4706f1a8507c478270802ead523fe06f8c17f5ba9ea07e51d