[INFO] fetching crate scient 0.0.10001...
[INFO] testing scient-0.0.10001 against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] extracting crate scient 0.0.10001 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scient 0.0.10001 on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d9f50be0dee391cf1d0be3d5a86908b1ff865f58e92e341710675ef7ae6efcc
[INFO] running `Command { std: "docker" "start" "-a" "5d9f50be0dee391cf1d0be3d5a86908b1ff865f58e92e341710675ef7ae6efcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d9f50be0dee391cf1d0be3d5a86908b1ff865f58e92e341710675ef7ae6efcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9f50be0dee391cf1d0be3d5a86908b1ff865f58e92e341710675ef7ae6efcc", kill_on_drop: false }`
[INFO] [stdout] 5d9f50be0dee391cf1d0be3d5a86908b1ff865f58e92e341710675ef7ae6efcc
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7689bc13b36951c1a6c384b71b5af80abc73c686c1e9c02b1e6aff6c232e62b
[INFO] running `Command { std: "docker" "start" "-a" "b7689bc13b36951c1a6c384b71b5af80abc73c686c1e9c02b1e6aff6c232e62b", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "b7689bc13b36951c1a6c384b71b5af80abc73c686c1e9c02b1e6aff6c232e62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7689bc13b36951c1a6c384b71b5af80abc73c686c1e9c02b1e6aff6c232e62b", kill_on_drop: false }`
[INFO] [stdout] b7689bc13b36951c1a6c384b71b5af80abc73c686c1e9c02b1e6aff6c232e62b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 382290ea392b25af850f79df2d2bd49f3810c10af941324e042d706077d48975
[INFO] running `Command { std: "docker" "start" "-a" "382290ea392b25af850f79df2d2bd49f3810c10af941324e042d706077d48975", 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] [stderr]    Compiling scient v0.0.10001 (/opt/rustwide/workdir)
[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] [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 0.08s
[INFO] running `Command { std: "docker" "inspect" "382290ea392b25af850f79df2d2bd49f3810c10af941324e042d706077d48975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382290ea392b25af850f79df2d2bd49f3810c10af941324e042d706077d48975", kill_on_drop: false }`
[INFO] [stdout] 382290ea392b25af850f79df2d2bd49f3810c10af941324e042d706077d48975
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35ac0dc3043c45ecbac0c786ec4562bf1e1d3b7b8bc449067c50b90402d345f4
[INFO] running `Command { std: "docker" "start" "-a" "35ac0dc3043c45ecbac0c786ec4562bf1e1d3b7b8bc449067c50b90402d345f4", 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scient-8ff4d3cf4c4643c0)
[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-48e037f790b35a40)
[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]    Doc-tests scient
[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" "35ac0dc3043c45ecbac0c786ec4562bf1e1d3b7b8bc449067c50b90402d345f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ac0dc3043c45ecbac0c786ec4562bf1e1d3b7b8bc449067c50b90402d345f4", kill_on_drop: false }`
[INFO] [stdout] 35ac0dc3043c45ecbac0c786ec4562bf1e1d3b7b8bc449067c50b90402d345f4