[INFO] fetching crate clip 0.1.1...
[INFO] testing clip-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate clip 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate clip 0.1.1
[INFO] finished tweaking crates.io crate clip 0.1.1
[INFO] tweaked toml for crates.io crate clip 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clip 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c459b9610a73ca23bfd39341bb41c4fe60258a28898dc4c4d3837d40a9348fe4
[INFO] running `Command { std: "docker" "start" "-a" "c459b9610a73ca23bfd39341bb41c4fe60258a28898dc4c4d3837d40a9348fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c459b9610a73ca23bfd39341bb41c4fe60258a28898dc4c4d3837d40a9348fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c459b9610a73ca23bfd39341bb41c4fe60258a28898dc4c4d3837d40a9348fe4", kill_on_drop: false }`
[INFO] [stdout] c459b9610a73ca23bfd39341bb41c4fe60258a28898dc4c4d3837d40a9348fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4f3b91eb7c41159f05fe6b09967f7eb3f5ee14bc1033e4844abf607394b7abe5
[INFO] running `Command { std: "docker" "start" "-a" "4f3b91eb7c41159f05fe6b09967f7eb3f5ee14bc1033e4844abf607394b7abe5", kill_on_drop: false }`
[INFO] [stderr]    Compiling clip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/arg.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for (i, arg) in a.clone().iter().enumerate() {
[INFO] [stdout]    |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/arg.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         result[i] = arg.clone();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/arg.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             if m.clone() != "" { num_args += 1; }
[INFO] [stdout]     |                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4f3b91eb7c41159f05fe6b09967f7eb3f5ee14bc1033e4844abf607394b7abe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3b91eb7c41159f05fe6b09967f7eb3f5ee14bc1033e4844abf607394b7abe5", kill_on_drop: false }`
[INFO] [stdout] 4f3b91eb7c41159f05fe6b09967f7eb3f5ee14bc1033e4844abf607394b7abe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] efda5ef15491c1c058355af85f5a22abcf3cb500a37300a96745e5ab7a719150
[INFO] running `Command { std: "docker" "start" "-a" "efda5ef15491c1c058355af85f5a22abcf3cb500a37300a96745e5ab7a719150", kill_on_drop: false }`
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/arg.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for (i, arg) in a.clone().iter().enumerate() {
[INFO] [stdout]    |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/arg.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         result[i] = arg.clone();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/arg.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             if m.clone() != "" { num_args += 1; }
[INFO] [stdout]     |                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clip v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/arg.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |     for (i, arg) in a.clone().iter().enumerate() {
[INFO] [stdout]    |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/arg.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         result[i] = arg.clone();
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/arg.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |             if m.clone() != "" { num_args += 1; }
[INFO] [stdout]     |                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "efda5ef15491c1c058355af85f5a22abcf3cb500a37300a96745e5ab7a719150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efda5ef15491c1c058355af85f5a22abcf3cb500a37300a96745e5ab7a719150", kill_on_drop: false }`
[INFO] [stdout] efda5ef15491c1c058355af85f5a22abcf3cb500a37300a96745e5ab7a719150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7244f639a1d9ac8fdbf36952d7ed54dc77e325490064d7b70d8cb69d3f69cbcb
[INFO] running `Command { std: "docker" "start" "-a" "7244f639a1d9ac8fdbf36952d7ed54dc77e325490064d7b70d8cb69d3f69cbcb", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/arg.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |     for (i, arg) in a.clone().iter().enumerate() {
[INFO] [stderr]    |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `[&str]` does not implement `Clone`, so calling `clone` on `&[&str]` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stderr]   --> src/arg.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |         result[i] = arg.clone();
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/arg.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if m.clone() != "" { num_args += 1; }
[INFO] [stderr]     |                 ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `clip` (lib) generated 3 warnings (run `cargo fix --lib -p clip` to apply 2 suggestions)
[INFO] [stderr] warning: `clip` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/clip-0c7f9aefd672c796)
[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/bin.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/clip-fa03dfaafc98fe53)
[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" "7244f639a1d9ac8fdbf36952d7ed54dc77e325490064d7b70d8cb69d3f69cbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7244f639a1d9ac8fdbf36952d7ed54dc77e325490064d7b70d8cb69d3f69cbcb", kill_on_drop: false }`
[INFO] [stdout] 7244f639a1d9ac8fdbf36952d7ed54dc77e325490064d7b70d8cb69d3f69cbcb