[INFO] cloning repository https://github.com/dormedas/aocr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dormedas/aocr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdormedas%2Faocr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdormedas%2Faocr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78bf54995c17b6ca662b933b77d60f7d16630f44
[INFO] checking dormedas/aocr 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%2Fdormedas%2Faocr" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dormedas/aocr 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/dormedas/aocr
[INFO] finished tweaking git repo https://github.com/dormedas/aocr
[INFO] tweaked toml for git repo https://github.com/dormedas/aocr written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dormedas/aocr 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 01bf862c807c46d13fcdee05c0df0a69008ef678076878317ef942d6655a1a48
[INFO] running `Command { std: "docker" "start" "-a" "01bf862c807c46d13fcdee05c0df0a69008ef678076878317ef942d6655a1a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01bf862c807c46d13fcdee05c0df0a69008ef678076878317ef942d6655a1a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bf862c807c46d13fcdee05c0df0a69008ef678076878317ef942d6655a1a48", kill_on_drop: false }`
[INFO] [stdout] 01bf862c807c46d13fcdee05c0df0a69008ef678076878317ef942d6655a1a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 44a7e62a7c2d12e8aa425fdc46e9e28ec2741aacc503c86c9f292b4a061c53e1
[INFO] running `Command { std: "docker" "start" "-a" "44a7e62a7c2d12e8aa425fdc46e9e28ec2741aacc503c86c9f292b4a061c53e1", kill_on_drop: false }`
[INFO] [stderr]     Checking aocr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> 2019/src/day06.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut idx: usize = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> 2019/src/day06.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut idx: usize = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 2019/src/day06.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut root: TreeNode = TreeNode {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 2019/src/day06.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut idx: usize = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_pointer_advance` is never read
[INFO] [stdout]   --> 2019/src/intcode.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut instruction_pointer_advance: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 2019/src/day06.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut root: TreeNode = TreeNode {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> 2019/src/day06.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut idx: usize = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_range` is never used
[INFO] [stdout]   --> 2019/src/day04.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn is_in_range(input: i64, minimum: i64, maximum: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]  --> 2019/src/day05.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn part_two() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_triangular_number` is never used
[INFO] [stdout]  --> 2019/src/day06.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn calculate_triangular_number(num: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_pointer_advance` is never read
[INFO] [stdout]   --> 2019/src/intcode.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut instruction_pointer_advance: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_range` is never used
[INFO] [stdout]   --> 2019/src/day04.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn is_in_range(input: i64, minimum: i64, maximum: i64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]  --> 2019/src/day05.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn part_two() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_triangular_number` is never used
[INFO] [stdout]  --> 2019/src/day06.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn calculate_triangular_number(num: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "44a7e62a7c2d12e8aa425fdc46e9e28ec2741aacc503c86c9f292b4a061c53e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a7e62a7c2d12e8aa425fdc46e9e28ec2741aacc503c86c9f292b4a061c53e1", kill_on_drop: false }`
[INFO] [stdout] 44a7e62a7c2d12e8aa425fdc46e9e28ec2741aacc503c86c9f292b4a061c53e1