[INFO] fetching crate m6arr 0.2.0...
[INFO] testing m6arr-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate m6arr 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate m6arr 0.2.0
[INFO] finished tweaking crates.io crate m6arr 0.2.0
[INFO] tweaked toml for crates.io crate m6arr 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate m6arr 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f37fe3f353d707ed1232599eac43841a78aa93f1a82b7a490926e83590a910d9
[INFO] running `Command { std: "docker" "start" "-a" "f37fe3f353d707ed1232599eac43841a78aa93f1a82b7a490926e83590a910d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f37fe3f353d707ed1232599eac43841a78aa93f1a82b7a490926e83590a910d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37fe3f353d707ed1232599eac43841a78aa93f1a82b7a490926e83590a910d9", kill_on_drop: false }`
[INFO] [stdout] f37fe3f353d707ed1232599eac43841a78aa93f1a82b7a490926e83590a910d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35aa10f72c601f1989326e4abc145efa691929124065cfb80572299f5caaaba
[INFO] running `Command { std: "docker" "start" "-a" "f35aa10f72c601f1989326e4abc145efa691929124065cfb80572299f5caaaba", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6arr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/lib.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     slice::SliceIndex, intrinsics::copy_nonoverlapping,
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &T> + 'a> {
[INFO] [stdout]    |                      -- the lifetime is named here       ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &'a T> + 'a> {
[INFO] [stdout]    |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "f35aa10f72c601f1989326e4abc145efa691929124065cfb80572299f5caaaba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35aa10f72c601f1989326e4abc145efa691929124065cfb80572299f5caaaba", kill_on_drop: false }`
[INFO] [stdout] f35aa10f72c601f1989326e4abc145efa691929124065cfb80572299f5caaaba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc1ed1673b3a1ae15ea1ab8c10fde62730c749621d846f645d3f82054f475c6f
[INFO] running `Command { std: "docker" "start" "-a" "bc1ed1673b3a1ae15ea1ab8c10fde62730c749621d846f645d3f82054f475c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6arr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/lib.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     slice::SliceIndex, intrinsics::copy_nonoverlapping,
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &T> + 'a> {
[INFO] [stdout]    |                      -- the lifetime is named here       ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &'a T> + 'a> {
[INFO] [stdout]    |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/lib.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stdout]  --> src/lib.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     slice::SliceIndex, intrinsics::copy_nonoverlapping,
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:92:58
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &T> + 'a> {
[INFO] [stdout]    |                      -- the lifetime is named here       ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &'a T> + 'a> {
[INFO] [stdout]    |                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "bc1ed1673b3a1ae15ea1ab8c10fde62730c749621d846f645d3f82054f475c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1ed1673b3a1ae15ea1ab8c10fde62730c749621d846f645d3f82054f475c6f", kill_on_drop: false }`
[INFO] [stdout] bc1ed1673b3a1ae15ea1ab8c10fde62730c749621d846f645d3f82054f475c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65718c4103b061fa23e152492e7c1db10c53c90877f4d594b6d9efa4154ae379
[INFO] running `Command { std: "docker" "start" "-a" "65718c4103b061fa23e152492e7c1db10c53c90877f4d594b6d9efa4154ae379", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated module `std::intrinsics`: import this function via `std::ptr` instead
[INFO] [stderr]  --> src/lib.rs:9:36
[INFO] [stderr]   |
[INFO] [stderr] 9 |     slice::SliceIndex, intrinsics::copy_nonoverlapping,
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/lib.rs:92:58
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &T> + 'a> {
[INFO] [stderr]    |                      -- the lifetime is named here       ^^ the same lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = &'a T> + 'a> {
[INFO] [stderr]    |                                                           ++
[INFO] [stderr] 
[INFO] [stderr] warning: `m6arr` (lib) generated 2 warnings (run `cargo fix --lib -p m6arr` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]    --> src/lib.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     use crate::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `m6arr` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p m6arr --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/m6arr-56a24a45ee7fdb0f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_arr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests m6arr
[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" "65718c4103b061fa23e152492e7c1db10c53c90877f4d594b6d9efa4154ae379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65718c4103b061fa23e152492e7c1db10c53c90877f4d594b6d9efa4154ae379", kill_on_drop: false }`
[INFO] [stdout] 65718c4103b061fa23e152492e7c1db10c53c90877f4d594b6d9efa4154ae379