[INFO] fetching crate squares 0.1.1...
[INFO] testing squares-0.1.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate squares 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate squares 0.1.1
[INFO] finished tweaking crates.io crate squares 0.1.1
[INFO] tweaked toml for crates.io crate squares 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate squares 0.1.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding rand_core v0.6.4 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed8b9d099dffde792e632eaa3f2e803a9d95072bb742afb2b800c215729a4d06
[INFO] running `Command { std: "docker" "start" "-a" "ed8b9d099dffde792e632eaa3f2e803a9d95072bb742afb2b800c215729a4d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed8b9d099dffde792e632eaa3f2e803a9d95072bb742afb2b800c215729a4d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8b9d099dffde792e632eaa3f2e803a9d95072bb742afb2b800c215729a4d06", kill_on_drop: false }`
[INFO] [stdout] ed8b9d099dffde792e632eaa3f2e803a9d95072bb742afb2b800c215729a4d06
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0184e3d9f0dd17ae4ab9c82f84e31e95ef51290ebd8ce4f05b297ab2b6e82f6e
[INFO] running `Command { std: "docker" "start" "-a" "0184e3d9f0dd17ae4ab9c82f84e31e95ef51290ebd8ce4f05b297ab2b6e82f6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "0184e3d9f0dd17ae4ab9c82f84e31e95ef51290ebd8ce4f05b297ab2b6e82f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0184e3d9f0dd17ae4ab9c82f84e31e95ef51290ebd8ce4f05b297ab2b6e82f6e", kill_on_drop: false }`
[INFO] [stdout] 0184e3d9f0dd17ae4ab9c82f84e31e95ef51290ebd8ce4f05b297ab2b6e82f6e
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e5b2f8a96bd6c7bd237c26e8b2ca38fc918363c183b384a55247e1d97ef5bb
[INFO] running `Command { std: "docker" "start" "-a" "33e5b2f8a96bd6c7bd237c26e8b2ca38fc918363c183b384a55247e1d97ef5bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling squares v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `nibbles` is never read
[INFO] [stdout]    --> src/key.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         nibbles[i] = t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.94s
[INFO] running `Command { std: "docker" "inspect" "33e5b2f8a96bd6c7bd237c26e8b2ca38fc918363c183b384a55247e1d97ef5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e5b2f8a96bd6c7bd237c26e8b2ca38fc918363c183b384a55247e1d97ef5bb", kill_on_drop: false }`
[INFO] [stdout] 33e5b2f8a96bd6c7bd237c26e8b2ca38fc918363c183b384a55247e1d97ef5bb
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e245a6e7d0dda5da4f3a6ea0a5715777dd5ef4028dbe6f61584fc12191cef67
[INFO] running `Command { std: "docker" "start" "-a" "7e245a6e7d0dda5da4f3a6ea0a5715777dd5ef4028dbe6f61584fc12191cef67", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `nibbles` is never read
[INFO] [stderr]    --> src/key.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         nibbles[i] = t;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `squares` (lib) generated 1 warning
[INFO] [stderr] warning: `squares` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/squares-d1d50a1bee47d7fb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test key::tests::key_properties_100m has been running for over 60 seconds
[INFO] [stdout] test key::tests::key_properties_100m ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 75.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests squares
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e245a6e7d0dda5da4f3a6ea0a5715777dd5ef4028dbe6f61584fc12191cef67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e245a6e7d0dda5da4f3a6ea0a5715777dd5ef4028dbe6f61584fc12191cef67", kill_on_drop: false }`
[INFO] [stdout] 7e245a6e7d0dda5da4f3a6ea0a5715777dd5ef4028dbe6f61584fc12191cef67
