[INFO] cloning repository https://github.com/tigerfsh/rust-code-evolution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tigerfsh/rust-code-evolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Frust-code-evolution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Frust-code-evolution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c4fdc7e9c5097f5f31ea8920dea02d10bceb09
[INFO] checking tigerfsh/rust-code-evolution against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftigerfsh%2Frust-code-evolution" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tigerfsh/rust-code-evolution
[INFO] finished tweaking git repo https://github.com/tigerfsh/rust-code-evolution
[INFO] tweaked toml for git repo https://github.com/tigerfsh/rust-code-evolution written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tigerfsh/rust-code-evolution on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tigerfsh/rust-code-evolution 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98c5f860f50557d1b19d219331e6e6aec170c03544c68203c3ee0550504c6c7d
[INFO] running `Command { std: "docker" "start" "-a" "98c5f860f50557d1b19d219331e6e6aec170c03544c68203c3ee0550504c6c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c5f860f50557d1b19d219331e6e6aec170c03544c68203c3ee0550504c6c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c5f860f50557d1b19d219331e6e6aec170c03544c68203c3ee0550504c6c7d", kill_on_drop: false }`
[INFO] [stdout] 98c5f860f50557d1b19d219331e6e6aec170c03544c68203c3ee0550504c6c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551ff34d354893ddd332a0af284f00cdfa5fc5b44eaa3416fd403e4be59d4868
[INFO] running `Command { std: "docker" "start" "-a" "551ff34d354893ddd332a0af284f00cdfa5fc5b44eaa3416fd403e4be59d4868", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-code-evolution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_file_v1` is never used
[INFO] [stdout]   --> src/lib.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn read_file_v1(file_path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_v2` is never used
[INFO] [stdout]   --> src/lib.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn read_file_v2(file_path: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_item_v1` is never used
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn find_item_v1(items: &[i32], target: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one_to_option_v1` is never used
[INFO] [stdout]   --> src/lib.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn add_one_to_option_v1(option: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_default_if_none_v1` is never used
[INFO] [stdout]    --> src/lib.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn set_default_if_none_v1(option: Option<i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_default_if_none_v2` is never used
[INFO] [stdout]    --> src/lib.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn set_default_if_none_v2(option: Option<i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_if_let` is never used
[INFO] [stdout]    --> src/lib.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn my_if_let() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]    --> src/lib.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | trait Shape {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_areas_v1` is never used
[INFO] [stdout]    --> src/lib.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn compare_areas_v1(shape1: &impl Shape, shape2: &impl Shape) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_areas_v2` is never used
[INFO] [stdout]    --> src/lib.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn compare_areas_v2<T: Shape>(shape1: &T, shape2: &T) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_v1` is never used
[INFO] [stdout]    --> src/lib.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn calculate_length_v1(s: &String) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_v2` is never used
[INFO] [stdout]    --> src/lib.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn calculate_length_v2(s: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even_v1` is never used
[INFO] [stdout]    --> src/lib.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn is_even_v1(num: i32) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even_v2` is never used
[INFO] [stdout]    --> src/lib.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn is_even_v2(num: i32) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_v1` is never used
[INFO] [stdout]    --> src/lib.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn square_v1(num: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `positive_v1` is never used
[INFO] [stdout]    --> src/lib.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn positive_v1(n: i32) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `positive_v2` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn positive_v2(n: i32) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_v1` is never used
[INFO] [stdout]   --> src/lib.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn read_file_v1(file_path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_v2` is never used
[INFO] [stdout]   --> src/lib.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn read_file_v2(file_path: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_item_v1` is never used
[INFO] [stdout]   --> src/lib.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn find_item_v1(items: &[i32], target: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_one_to_option_v1` is never used
[INFO] [stdout]   --> src/lib.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn add_one_to_option_v1(option: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_default_if_none_v1` is never used
[INFO] [stdout]    --> src/lib.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn set_default_if_none_v1(option: Option<i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_default_if_none_v2` is never used
[INFO] [stdout]    --> src/lib.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn set_default_if_none_v2(option: Option<i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_if_let` is never used
[INFO] [stdout]    --> src/lib.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn my_if_let() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Shape` is never used
[INFO] [stdout]    --> src/lib.rs:161:7
[INFO] [stdout]     |
[INFO] [stdout] 161 | trait Shape {
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_areas_v1` is never used
[INFO] [stdout]    --> src/lib.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn compare_areas_v1(shape1: &impl Shape, shape2: &impl Shape) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_areas_v2` is never used
[INFO] [stdout]    --> src/lib.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn compare_areas_v2<T: Shape>(shape1: &T, shape2: &T) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_v1` is never used
[INFO] [stdout]    --> src/lib.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn calculate_length_v1(s: &String) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length_v2` is never used
[INFO] [stdout]    --> src/lib.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn calculate_length_v2(s: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even_v1` is never used
[INFO] [stdout]    --> src/lib.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn is_even_v1(num: i32) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_even_v2` is never used
[INFO] [stdout]    --> src/lib.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn is_even_v2(num: i32) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square_v1` is never used
[INFO] [stdout]    --> src/lib.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn square_v1(num: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `positive_v1` is never used
[INFO] [stdout]    --> src/lib.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn positive_v1(n: i32) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `positive_v2` is never used
[INFO] [stdout]    --> src/lib.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn positive_v2(n: i32) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rust_code_evolution-48617115b228c8dc.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust-code-evolution-48617115b228c8dc/dep-lib-rust_code_evolution`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "551ff34d354893ddd332a0af284f00cdfa5fc5b44eaa3416fd403e4be59d4868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551ff34d354893ddd332a0af284f00cdfa5fc5b44eaa3416fd403e4be59d4868", kill_on_drop: false }`
[INFO] [stdout] 551ff34d354893ddd332a0af284f00cdfa5fc5b44eaa3416fd403e4be59d4868