[INFO] cloning repository https://github.com/minikiller/study-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minikiller/study-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dfcf2137f0dc8c7c2cd553f8253dfb30a6567a1
[INFO] testing minikiller/study-project against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minikiller/study-project
[INFO] finished tweaking git repo https://github.com/minikiller/study-project
[INFO] tweaked toml for git repo https://github.com/minikiller/study-project written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minikiller/study-project on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minikiller/study-project 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d8f91b9b94b023183de9ca8b392c64d02bd1acc20d010c0b2b8326d5a7203a7
[INFO] running `Command { std: "docker" "start" "-a" "6d8f91b9b94b023183de9ca8b392c64d02bd1acc20d010c0b2b8326d5a7203a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d8f91b9b94b023183de9ca8b392c64d02bd1acc20d010c0b2b8326d5a7203a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8f91b9b94b023183de9ca8b392c64d02bd1acc20d010c0b2b8326d5a7203a7", kill_on_drop: false }`
[INFO] [stdout] 6d8f91b9b94b023183de9ca8b392c64d02bd1acc20d010c0b2b8326d5a7203a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 63b81eb81862a911c279206696009a35bf178311b127d574342d9c6ea87d4ae2
[INFO] running `Command { std: "docker" "start" "-a" "63b81eb81862a911c279206696009a35bf178311b127d574342d9c6ea87d4ae2", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling iter v0.1.0 (/opt/rustwide/workdir/iter)
[INFO] [stderr]    Compiling owner v0.1.0 (/opt/rustwide/workdir/owner)
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]    Compiling structer v0.1.0 (/opt/rustwide/workdir/structer)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir/guess)
[INFO] [stderr]    Compiling variant v0.1.0 (/opt/rustwide/workdir/variant)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `Command { std: "docker" "inspect" "63b81eb81862a911c279206696009a35bf178311b127d574342d9c6ea87d4ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b81eb81862a911c279206696009a35bf178311b127d574342d9c6ea87d4ae2", kill_on_drop: false }`
[INFO] [stdout] 63b81eb81862a911c279206696009a35bf178311b127d574342d9c6ea87d4ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dab63320f8a4782ba5a4b0c3447019ba7b5ff4e904da1c7ad06317d736b4ccfe
[INFO] running `Command { std: "docker" "start" "-a" "dab63320f8a4782ba5a4b0c3447019ba7b5ff4e904da1c7ad06317d736b4ccfe", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling iter v0.1.0 (/opt/rustwide/workdir/iter)
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]    Compiling structer v0.1.0 (/opt/rustwide/workdir/structer)
[INFO] [stderr]    Compiling owner v0.1.0 (/opt/rustwide/workdir/owner)
[INFO] [stderr]    Compiling variant v0.1.0 (/opt/rustwide/workdir/variant)
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir/guess)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "dab63320f8a4782ba5a4b0c3447019ba7b5ff4e904da1c7ad06317d736b4ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab63320f8a4782ba5a4b0c3447019ba7b5ff4e904da1c7ad06317d736b4ccfe", kill_on_drop: false }`
[INFO] [stdout] dab63320f8a4782ba5a4b0c3447019ba7b5ff4e904da1c7ad06317d736b4ccfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 85aa7f97204d169e42f1ac8871e55593dcab6be91323297af73b3e475de7013a
[INFO] running `Command { std: "docker" "start" "-a" "85aa7f97204d169e42f1ac8871e55593dcab6be91323297af73b3e475de7013a", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: function `get_it` is never used
[INFO] [stderr]  --> owner/src/main.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `owner` (bin "owner" test) generated 1 warning
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]  --> variant/src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stderr]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vd`
[INFO] [stderr]  --> variant/src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let vd= add_it(18);
[INFO] [stderr]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Hello` is never constructed
[INFO] [stderr]   --> variant/src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Hello<'a> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `variant` (bin "variant" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/guess-609d92dc2d2e5764)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello-171e3f34b49477f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/iter-c08789469b0ccd1d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_another ... ok
[INFO] [stdout] test tests::test_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/owner-e524730a640893ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/structer-2b0b22324ebbce47)
[INFO] [stderr]      Running unittests src/bin/date_example.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/date_example-1aca28425bd80b8f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/variant-8b7637b69d7324d3)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85aa7f97204d169e42f1ac8871e55593dcab6be91323297af73b3e475de7013a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85aa7f97204d169e42f1ac8871e55593dcab6be91323297af73b3e475de7013a", kill_on_drop: false }`
[INFO] [stdout] 85aa7f97204d169e42f1ac8871e55593dcab6be91323297af73b3e475de7013a