[INFO] fetching crate lukkid 0.1.0...
[INFO] testing lukkid-0.1.0 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate lukkid 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate lukkid 0.1.0
[INFO] finished tweaking crates.io crate lukkid 0.1.0
[INFO] tweaked toml for crates.io crate lukkid 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lukkid 0.1.0 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1fdc775857ef3fd49de0407804549ee2b43155cffb0b14fa33543d24b58f0a8
[INFO] running `Command { std: "docker" "start" "-a" "c1fdc775857ef3fd49de0407804549ee2b43155cffb0b14fa33543d24b58f0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1fdc775857ef3fd49de0407804549ee2b43155cffb0b14fa33543d24b58f0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fdc775857ef3fd49de0407804549ee2b43155cffb0b14fa33543d24b58f0a8", kill_on_drop: false }`
[INFO] [stdout] c1fdc775857ef3fd49de0407804549ee2b43155cffb0b14fa33543d24b58f0a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5240bea32c404dad2732dabb1afe66b66e57dd2aeeb684aa5effcd5d8fa005ae
[INFO] running `Command { std: "docker" "start" "-a" "5240bea32c404dad2732dabb1afe66b66e57dd2aeeb684aa5effcd5d8fa005ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling lukkid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `curr`, `step`, and `stop` are never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Anukrom<T>{
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 17 |     curr: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     step: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     stop: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "5240bea32c404dad2732dabb1afe66b66e57dd2aeeb684aa5effcd5d8fa005ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5240bea32c404dad2732dabb1afe66b66e57dd2aeeb684aa5effcd5d8fa005ae", kill_on_drop: false }`
[INFO] [stdout] 5240bea32c404dad2732dabb1afe66b66e57dd2aeeb684aa5effcd5d8fa005ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4299cc1d5bf49b49e0378a126b13be4a6bcbb9c4179256049db871697464b7c3
[INFO] running `Command { std: "docker" "start" "-a" "4299cc1d5bf49b49e0378a126b13be4a6bcbb9c4179256049db871697464b7c3", kill_on_drop: false }`
[INFO] [stdout] warning: fields `curr`, `step`, and `stop` are never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Anukrom<T>{
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 17 |     curr: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     step: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     stop: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lukkid v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `curr`, `step`, and `stop` are never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Anukrom<T>{
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 17 |     curr: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     step: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     stop: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "4299cc1d5bf49b49e0378a126b13be4a6bcbb9c4179256049db871697464b7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4299cc1d5bf49b49e0378a126b13be4a6bcbb9c4179256049db871697464b7c3", kill_on_drop: false }`
[INFO] [stdout] 4299cc1d5bf49b49e0378a126b13be4a6bcbb9c4179256049db871697464b7c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55e7554a8df8d9d9a6c089412a11774f3bd06fc1ab15d6803102a095ac908206
[INFO] running `Command { std: "docker" "start" "-a" "55e7554a8df8d9d9a6c089412a11774f3bd06fc1ab15d6803102a095ac908206", kill_on_drop: false }`
[INFO] [stderr] warning: fields `curr`, `step`, and `stop` are never read
[INFO] [stderr]   --> src/lib.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Anukrom<T>{
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 17 |     curr: T,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     step: T,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 19 |     stop: T,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lukkid` (lib) generated 1 warning
[INFO] [stderr] warning: `lukkid` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lukkid-501c4401b879c186)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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 lukkid
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Sequence<T> (line 63) ... FAILED
[INFO] [stdout] test src/lib.rs - zigma (line 108) ... FAILED
[INFO] [stdout] test src/lib.rs - zigma (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - Anukrom<T> (line 32) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Sequence<T> (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Sequence`
[INFO] [stdout]  --> src/lib.rs:65:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | for n in Sequence::new(2,10,2){
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared type `Sequence`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lukkid::Sequence;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - zigma (line 108) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Sequence`
[INFO] [stdout]  --> src/lib.rs:109:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let fl = Sequence::new(2, 10, 2).fold(0,|acc,x|acc+x);
[INFO] [stdout]   |          ^^^^^^^^ use of undeclared type `Sequence`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lukkid::Sequence;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - zigma (line 100) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `zigma` in this scope
[INFO] [stdout]  --> src/lib.rs:101:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | let sl = zigma(Sequence::new(2,10,2), 0);
[INFO] [stdout]   |          ^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lukkid::zigma;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Sequence`
[INFO] [stdout]  --> src/lib.rs:101:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let sl = zigma(Sequence::new(2,10,2), 0);
[INFO] [stdout]   |                ^^^^^^^^ use of undeclared type `Sequence`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lukkid::Sequence;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Anukrom<T> (line 32) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Anukrom`
[INFO] [stdout]  --> src/lib.rs:34:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | for n in Anukrom::new(2,10,2){
[INFO] [stdout]   |          ^^^^^^^ use of undeclared type `Anukrom`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use lukkid::Anukrom;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Anukrom<T> (line 32)
[INFO] [stdout]     src/lib.rs - Sequence<T> (line 63)
[INFO] [stdout]     src/lib.rs - zigma (line 100)
[INFO] [stdout]     src/lib.rs - zigma (line 108)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "55e7554a8df8d9d9a6c089412a11774f3bd06fc1ab15d6803102a095ac908206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e7554a8df8d9d9a6c089412a11774f3bd06fc1ab15d6803102a095ac908206", kill_on_drop: false }`
[INFO] [stdout] 55e7554a8df8d9d9a6c089412a11774f3bd06fc1ab15d6803102a095ac908206
