[INFO] cloning repository https://github.com/lf94/png2linetext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf94/png2linetext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf94%2Fpng2linetext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf94%2Fpng2linetext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdcb81b1394f6c64f5d9b56de8145aef815070ce
[INFO] checking lf94/png2linetext against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf94%2Fpng2linetext" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lf94/png2linetext on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lf94/png2linetext
[INFO] finished tweaking git repo https://github.com/lf94/png2linetext
[INFO] tweaked toml for git repo https://github.com/lf94/png2linetext written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/lf94/png2linetext already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85fb157850a350a6d589ed0b6976d4d4663665fd621d0f821185e8b371cc6ef7
[INFO] running `Command { std: "docker" "start" "-a" "85fb157850a350a6d589ed0b6976d4d4663665fd621d0f821185e8b371cc6ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fb157850a350a6d589ed0b6976d4d4663665fd621d0f821185e8b371cc6ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fb157850a350a6d589ed0b6976d4d4663665fd621d0f821185e8b371cc6ef7", kill_on_drop: false }`
[INFO] [stdout] 85fb157850a350a6d589ed0b6976d4d4663665fd621d0f821185e8b371cc6ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68c3afd7931d2dde90fda546a74f93b0081321f2a25760790aac7868644fc667
[INFO] running `Command { std: "docker" "start" "-a" "68c3afd7931d2dde90fda546a74f93b0081321f2a25760790aac7868644fc667", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking img2utf v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `dot_matrix_print`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn dot_matrix_print(buf: Vec<Vec<u8>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_matrix_print`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn dot_matrix_print(buf: Vec<Vec<u8>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.63s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking img2utf v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `dot_matrix_print`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn dot_matrix_print(buf: Vec<Vec<u8>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dot_matrix_print`
[INFO] [stdout]    --> src/main.rs:501:4
[INFO] [stdout]     |
[INFO] [stdout] 501 | fn dot_matrix_print(buf: Vec<Vec<u8>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68c3afd7931d2dde90fda546a74f93b0081321f2a25760790aac7868644fc667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c3afd7931d2dde90fda546a74f93b0081321f2a25760790aac7868644fc667", kill_on_drop: false }`
[INFO] [stdout] 68c3afd7931d2dde90fda546a74f93b0081321f2a25760790aac7868644fc667