[INFO] fetching crate scient 0.0.10001...
[INFO] testing scient-0.0.10001 against 1.91.0 for beta-1.92-2
[INFO] extracting crate scient 0.0.10001 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate scient 0.0.10001
[INFO] finished tweaking crates.io crate scient 0.0.10001
[INFO] tweaked toml for crates.io crate scient 0.0.10001 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scient 0.0.10001 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scient 0.0.10001 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14ab786e6f4375883b36487a431a2d179678a9cbe1dbe7c4ca4b732410278873
[INFO] running `Command { std: "docker" "start" "-a" "14ab786e6f4375883b36487a431a2d179678a9cbe1dbe7c4ca4b732410278873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ab786e6f4375883b36487a431a2d179678a9cbe1dbe7c4ca4b732410278873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ab786e6f4375883b36487a431a2d179678a9cbe1dbe7c4ca4b732410278873", kill_on_drop: false }`
[INFO] [stdout] 14ab786e6f4375883b36487a431a2d179678a9cbe1dbe7c4ca4b732410278873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 915f2fa0d115419ddff0ca1759da81f04a943af4202959a9404cbf74915693e6
[INFO] running `Command { std: "docker" "start" "-a" "915f2fa0d115419ddff0ca1759da81f04a943af4202959a9404cbf74915693e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling scient v0.0.10001 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Unit` is never used
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Unit {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnitAbbr` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum UnitAbbr {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseUnit` is never constructed
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BaseUnit {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "915f2fa0d115419ddff0ca1759da81f04a943af4202959a9404cbf74915693e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "915f2fa0d115419ddff0ca1759da81f04a943af4202959a9404cbf74915693e6", kill_on_drop: false }`
[INFO] [stdout] 915f2fa0d115419ddff0ca1759da81f04a943af4202959a9404cbf74915693e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d86378518991bf9244dd24e664a3be8acd526b7283df95eb9bab8b262e9b4dc
[INFO] running `Command { std: "docker" "start" "-a" "0d86378518991bf9244dd24e664a3be8acd526b7283df95eb9bab8b262e9b4dc", kill_on_drop: false }`
[INFO] [stdout] warning: enum `Unit` is never used
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Unit {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnitAbbr` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum UnitAbbr {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseUnit` is never constructed
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BaseUnit {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scient v0.0.10001 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Unit` is never used
[INFO] [stdout]  --> src/lib.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Unit {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnitAbbr` is never used
[INFO] [stdout]   --> src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum UnitAbbr {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaseUnit` is never constructed
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BaseUnit {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "0d86378518991bf9244dd24e664a3be8acd526b7283df95eb9bab8b262e9b4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d86378518991bf9244dd24e664a3be8acd526b7283df95eb9bab8b262e9b4dc", kill_on_drop: false }`
[INFO] [stdout] 0d86378518991bf9244dd24e664a3be8acd526b7283df95eb9bab8b262e9b4dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c97c1ad30166519a16d826925e7ef3b2442a4c07379ff0b0b92cdd3843b3aa9d
[INFO] running `Command { std: "docker" "start" "-a" "c97c1ad30166519a16d826925e7ef3b2442a4c07379ff0b0b92cdd3843b3aa9d", kill_on_drop: false }`
[INFO] [stderr] warning: enum `Unit` is never used
[INFO] [stderr]  --> src/lib.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Unit {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `UnitAbbr` is never used
[INFO] [stderr]   --> src/lib.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum UnitAbbr {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BaseUnit` is never constructed
[INFO] [stderr]   --> src/lib.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct BaseUnit {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scient` (lib) generated 3 warnings
[INFO] [stderr] warning: `scient` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scient-b142895de971c817)
[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/debug/deps/scient-fd76061ae9866568)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests scient
[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] [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" "c97c1ad30166519a16d826925e7ef3b2442a4c07379ff0b0b92cdd3843b3aa9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97c1ad30166519a16d826925e7ef3b2442a4c07379ff0b0b92cdd3843b3aa9d", kill_on_drop: false }`
[INFO] [stdout] c97c1ad30166519a16d826925e7ef3b2442a4c07379ff0b0b92cdd3843b3aa9d