[INFO] fetching crate lfsr-fibo 0.1.0...
[INFO] testing lfsr-fibo-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate lfsr-fibo 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lfsr-fibo 0.1.0
[INFO] finished tweaking crates.io crate lfsr-fibo 0.1.0
[INFO] tweaked toml for crates.io crate lfsr-fibo 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lfsr-fibo 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lfsr-fibo 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0781effd96049636708db75bd05c6d75ad279245d7215c5350af9055c75e20fb
[INFO] running `Command { std: "docker" "start" "-a" "0781effd96049636708db75bd05c6d75ad279245d7215c5350af9055c75e20fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0781effd96049636708db75bd05c6d75ad279245d7215c5350af9055c75e20fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0781effd96049636708db75bd05c6d75ad279245d7215c5350af9055c75e20fb", kill_on_drop: false }`
[INFO] [stdout] 0781effd96049636708db75bd05c6d75ad279245d7215c5350af9055c75e20fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69915c73d53f6cf10a710e9634b2a1db06f22dbfa49f4903d16a761e1ebbd92
[INFO] running `Command { std: "docker" "start" "-a" "d69915c73d53f6cf10a710e9634b2a1db06f22dbfa49f4903d16a761e1ebbd92", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr-fibo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "d69915c73d53f6cf10a710e9634b2a1db06f22dbfa49f4903d16a761e1ebbd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69915c73d53f6cf10a710e9634b2a1db06f22dbfa49f4903d16a761e1ebbd92", kill_on_drop: false }`
[INFO] [stdout] d69915c73d53f6cf10a710e9634b2a1db06f22dbfa49f4903d16a761e1ebbd92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd0db775606b706327396a5e93a8a42edfc396f61012e1d2a3c3af9c0a74b5e
[INFO] running `Command { std: "docker" "start" "-a" "4cd0db775606b706327396a5e93a8a42edfc396f61012e1d2a3c3af9c0a74b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lfsr-fibo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "4cd0db775606b706327396a5e93a8a42edfc396f61012e1d2a3c3af9c0a74b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd0db775606b706327396a5e93a8a42edfc396f61012e1d2a3c3af9c0a74b5e", kill_on_drop: false }`
[INFO] [stdout] 4cd0db775606b706327396a5e93a8a42edfc396f61012e1d2a3c3af9c0a74b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dc337e9bd76e2326562ef7a367e43715e803a2a1d28108d198636dbc0274be2
[INFO] running `Command { std: "docker" "start" "-a" "4dc337e9bd76e2326562ef7a367e43715e803a2a1d28108d198636dbc0274be2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lfsr_fibo-2c308d5613e55d7a)
[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 lfsr_fibo
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Lfsr::set_key (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - Lfsr::clock (line 56) ... FAILED
[INFO] [stdout] test src/lib.rs - Lfsr::new (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Lfsr::set_key (line 35) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lfsr`
[INFO] [stdout]   --> src/lib.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 | let mut lfsr = Lfsr::new(vec![7, 5, 2]);
[INFO] [stdout]    |                ^^^^ use of undeclared type `Lfsr`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 35 + use lfsr_fibo::Lfsr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VecDeque` in this scope
[INFO] [stdout]   --> src/lib.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 | let key: VecDeque<u8> = VecDeque::from([0, 1, 1, 0, 0, 0, 1]);
[INFO] [stdout]    |          ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 35 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VecDeque`
[INFO] [stdout]   --> src/lib.rs:37:25
[INFO] [stdout]    |
[INFO] [stdout] 37 | let key: VecDeque<u8> = VecDeque::from([0, 1, 1, 0, 0, 0, 1]);
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `VecDeque`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 35 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Lfsr::clock (line 56) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lfsr`
[INFO] [stdout]   --> src/lib.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 | let mut lfsr = Lfsr::new(vec![7, 5, 2]);
[INFO] [stdout]    |                ^^^^ use of undeclared type `Lfsr`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 + use lfsr_fibo::Lfsr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `VecDeque` in this scope
[INFO] [stdout]   --> src/lib.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 | let key: VecDeque<u8> = VecDeque::from([0, 1, 1, 0, 0, 0, 1]);
[INFO] [stdout]    |          ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `VecDeque`
[INFO] [stdout]   --> src/lib.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 | let key: VecDeque<u8> = VecDeque::from([0, 1, 1, 0, 0, 0, 1]);
[INFO] [stdout]    |                         ^^^^^^^^ use of undeclared type `VecDeque`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 56 + use std::collections::VecDeque;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Lfsr::new (line 19) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Lfsr`
[INFO] [stdout]   --> src/lib.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | let lfsr = Lfsr::new(vec![19, 13, 2]);
[INFO] [stdout]    |            ^^^^ use of undeclared type `Lfsr`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 19 + use lfsr_fibo::Lfsr;
[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 - Lfsr::clock (line 56)
[INFO] [stdout]     src/lib.rs - Lfsr::new (line 19)
[INFO] [stdout]     src/lib.rs - Lfsr::set_key (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.35s; merged doctests compilation took 0.14s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4dc337e9bd76e2326562ef7a367e43715e803a2a1d28108d198636dbc0274be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc337e9bd76e2326562ef7a367e43715e803a2a1d28108d198636dbc0274be2", kill_on_drop: false }`
[INFO] [stdout] 4dc337e9bd76e2326562ef7a367e43715e803a2a1d28108d198636dbc0274be2