[INFO] cloning repository https://github.com/limira/softtube-error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/limira/softtube-error" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimira%2Fsofttube-error", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimira%2Fsofttube-error'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24ce313cd6143944bdcdcc17b33236d02c5f6264
[INFO] checking limira/softtube-error against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flimira%2Fsofttube-error" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/limira/softtube-error on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/limira/softtube-error
[INFO] finished tweaking git repo https://github.com/limira/softtube-error
[INFO] tweaked toml for git repo https://github.com/limira/softtube-error written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/limira/softtube-error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffcf6f4c199f8841d5f97869d0e1a416d470ec6a018d0cdd1df5adcf023e64d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffcf6f4c199f8841d5f97869d0e1a416d470ec6a018d0cdd1df5adcf023e64d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffcf6f4c199f8841d5f97869d0e1a416d470ec6a018d0cdd1df5adcf023e64d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcf6f4c199f8841d5f97869d0e1a416d470ec6a018d0cdd1df5adcf023e64d7", kill_on_drop: false }`
[INFO] [stdout] ffcf6f4c199f8841d5f97869d0e1a416d470ec6a018d0cdd1df5adcf023e64d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 895e44a3dbf7e8297e54b1ca1c6ae3717560a2b76f5388e41c26c8ddad755fe5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "895e44a3dbf7e8297e54b1ca1c6ae3717560a2b76f5388e41c26c8ddad755fe5", kill_on_drop: false }`
[INFO] [stderr]     Checking softtube-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/softtube.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/softtube.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/softtube.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `search`
[INFO] [stdout]   --> src/softtube.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_search`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Limit`
[INFO] [stdout]  --> src/softtube.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Limit(i32),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Text`
[INFO] [stdout]  --> src/softtube.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Text(String)
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Videos`
[INFO] [stdout]  --> src/softtube.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Videos {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/softtube.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Limit`
[INFO] [stdout]  --> src/softtube.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Limit(i32),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Text`
[INFO] [stdout]  --> src/softtube.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Text(String)
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Videos`
[INFO] [stdout]  --> src/softtube.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Videos {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/softtube.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn search(search : Option<Search>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "895e44a3dbf7e8297e54b1ca1c6ae3717560a2b76f5388e41c26c8ddad755fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895e44a3dbf7e8297e54b1ca1c6ae3717560a2b76f5388e41c26c8ddad755fe5", kill_on_drop: false }`
[INFO] [stdout] 895e44a3dbf7e8297e54b1ca1c6ae3717560a2b76f5388e41c26c8ddad755fe5