[INFO] cloning repository https://github.com/rawkode/gitseries
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rawkode/gitseries" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frawkode%2Fgitseries", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frawkode%2Fgitseries'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d308128e83825f6189c3f6fd266d6f2e6c664b7
[INFO] checking rawkode/gitseries against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frawkode%2Fgitseries" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rawkode/gitseries 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/rawkode/gitseries
[INFO] finished tweaking git repo https://github.com/rawkode/gitseries
[INFO] tweaked toml for git repo https://github.com/rawkode/gitseries written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/rawkode/gitseries 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libssh2-sys v0.2.14
[INFO] [stderr]   Downloaded git2 v0.10.2
[INFO] [stderr]   Downloaded libgit2-sys v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] d3d312499a81e94b98b201257337f9747f90d6c86974bde1cca633669654fd83
[INFO] running `Command { std: "docker" "start" "-a" "d3d312499a81e94b98b201257337f9747f90d6c86974bde1cca633669654fd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d312499a81e94b98b201257337f9747f90d6c86974bde1cca633669654fd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d312499a81e94b98b201257337f9747f90d6c86974bde1cca633669654fd83", kill_on_drop: false }`
[INFO] [stdout] d3d312499a81e94b98b201257337f9747f90d6c86974bde1cca633669654fd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 9aa0ce2ab079c2c50764500678bc4cc9039f846c5980dd0d166abc77a178ea5f
[INFO] running `Command { std: "docker" "start" "-a" "9aa0ce2ab079c2c50764500678bc4cc9039f846c5980dd0d166abc77a178ea5f", 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 pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.14
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]     Checking gitseries v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (4 fixes)
[INFO] [stdout] warning: function is never used: `field_push_i`
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn field_push_i(mut vec: Vec<String>, key: String, val: i64) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_s`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn field_push_s(mut vec: Vec<String>, key: String, val: String) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_i`
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn field_push_i(mut vec: Vec<String>, key: String, val: i64) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_s`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn field_push_s(mut vec: Vec<String>, key: String, val: String) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fs::create_dir_all(&config_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fs::create_dir_all(&config_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.17s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gitseries v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `field_push_i`
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn field_push_i(mut vec: Vec<String>, key: String, val: i64) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_s`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn field_push_s(mut vec: Vec<String>, key: String, val: String) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fs::create_dir_all(&config_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_i`
[INFO] [stdout]    --> src/main.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn field_push_i(mut vec: Vec<String>, key: String, val: i64) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field_push_s`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn field_push_s(mut vec: Vec<String>, key: String, val: String) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fs::create_dir_all(&config_dir);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "9aa0ce2ab079c2c50764500678bc4cc9039f846c5980dd0d166abc77a178ea5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa0ce2ab079c2c50764500678bc4cc9039f846c5980dd0d166abc77a178ea5f", kill_on_drop: false }`
[INFO] [stdout] 9aa0ce2ab079c2c50764500678bc4cc9039f846c5980dd0d166abc77a178ea5f