[INFO] fetching crate nthD_Matrix 0.1.2...
[INFO] checking nthD_Matrix-0.1.2 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate nthD_Matrix 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nthD_Matrix 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nthD_Matrix 0.1.2
[INFO] tweaked toml for crates.io crate nthD_Matrix 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nthD_Matrix 0.1.2 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4de4e694da06cf2a507cba1d4727c09539bf58ffa680893f6b48d311bdc04f64
[INFO] running `Command { std: "docker" "start" "-a" "4de4e694da06cf2a507cba1d4727c09539bf58ffa680893f6b48d311bdc04f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de4e694da06cf2a507cba1d4727c09539bf58ffa680893f6b48d311bdc04f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de4e694da06cf2a507cba1d4727c09539bf58ffa680893f6b48d311bdc04f64", kill_on_drop: false }`
[INFO] [stdout] 4de4e694da06cf2a507cba1d4727c09539bf58ffa680893f6b48d311bdc04f64
[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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abafcd7b5cf5e9b9a6c467c37e137a7a82e26d915aa9dca9e16757fad7a8d5a
[INFO] running `Command { std: "docker" "start" "-a" "3abafcd7b5cf5e9b9a6c467c37e137a7a82e26d915aa9dca9e16757fad7a8d5a", kill_on_drop: false }`
[INFO] [stderr]     Checking nthD_Matrix v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":5,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":5,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":2,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":4,"ph":3,"wa":0,"pa":0,"a":3,"pos":3,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":3,"a_opt":3,"sz_no_dedup":48,"sz_old":48,"sz_opt":48}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":2,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":3,"ph":3,"wa":0,"pa":0,"a":3,"pos":0,"named":0,"cap":3,"ucap":3,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":3,"a_opt":3,"sz_no_dedup":48,"sz_old":48,"sz_opt":48}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":2,"ph":2,"wa":0,"pa":0,"a":2,"pos":0,"named":0,"cap":2,"ucap":2,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"tests","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/integration_tests.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut matrix_b = matrix!([5,5]; usize, 10); 
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         matrix.set_pos(vec![2,2,2], 30);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let _ = matrix.set_pos(vec![2,2,2], 30);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         matrix.set_pos(vec![15,15,15], 30);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = matrix.set_pos(vec![15,15,15], 30);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/integration_tests.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         matrix_a.add(matrix_b);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let _ = matrix_a.add(matrix_b);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3abafcd7b5cf5e9b9a6c467c37e137a7a82e26d915aa9dca9e16757fad7a8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abafcd7b5cf5e9b9a6c467c37e137a7a82e26d915aa9dca9e16757fad7a8d5a", kill_on_drop: false }`
[INFO] [stdout] 3abafcd7b5cf5e9b9a6c467c37e137a7a82e26d915aa9dca9e16757fad7a8d5a