[INFO] cloning repository https://github.com/acmo0/lfsr-fibo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acmo0/lfsr-fibo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmo0%2Flfsr-fibo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmo0%2Flfsr-fibo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 654ae173aa23a8e9e633d16cab639ef583c0392b
[INFO] testing acmo0/lfsr-fibo against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmo0%2Flfsr-fibo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/acmo0/lfsr-fibo
[INFO] finished tweaking git repo https://github.com/acmo0/lfsr-fibo
[INFO] tweaked toml for git repo https://github.com/acmo0/lfsr-fibo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acmo0/lfsr-fibo on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/acmo0/lfsr-fibo 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d42943817ddb0ef356aae21ed4fda3bd8e055c066fdac01d87179c410f363e
[INFO] running `Command { std: "docker" "start" "-a" "e4d42943817ddb0ef356aae21ed4fda3bd8e055c066fdac01d87179c410f363e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d42943817ddb0ef356aae21ed4fda3bd8e055c066fdac01d87179c410f363e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d42943817ddb0ef356aae21ed4fda3bd8e055c066fdac01d87179c410f363e", kill_on_drop: false }`
[INFO] [stdout] e4d42943817ddb0ef356aae21ed4fda3bd8e055c066fdac01d87179c410f363e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de77b2e796c2c254b731d106cd4d7561aba63526f699a120c217b89490f26f0
[INFO] running `Command { std: "docker" "start" "-a" "4de77b2e796c2c254b731d106cd4d7561aba63526f699a120c217b89490f26f0", 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "4de77b2e796c2c254b731d106cd4d7561aba63526f699a120c217b89490f26f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de77b2e796c2c254b731d106cd4d7561aba63526f699a120c217b89490f26f0", kill_on_drop: false }`
[INFO] [stdout] 4de77b2e796c2c254b731d106cd4d7561aba63526f699a120c217b89490f26f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba160b81a6625d4afe0ea6b605f6eef2ca03350fc489e6127648b21478e9497b
[INFO] running `Command { std: "docker" "start" "-a" "ba160b81a6625d4afe0ea6b605f6eef2ca03350fc489e6127648b21478e9497b", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "ba160b81a6625d4afe0ea6b605f6eef2ca03350fc489e6127648b21478e9497b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba160b81a6625d4afe0ea6b605f6eef2ca03350fc489e6127648b21478e9497b", kill_on_drop: false }`
[INFO] [stdout] ba160b81a6625d4afe0ea6b605f6eef2ca03350fc489e6127648b21478e9497b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93366d040441e392c40e473504a9bafb819c3770c366e3268bda58bd689f5783
[INFO] running `Command { std: "docker" "start" "-a" "93366d040441e392c40e473504a9bafb819c3770c366e3268bda58bd689f5783", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[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[E0425]: 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: 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 - 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[E0425]: 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: 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 - 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 0.25s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.39s; merged doctests compilation took 0.14s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "93366d040441e392c40e473504a9bafb819c3770c366e3268bda58bd689f5783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93366d040441e392c40e473504a9bafb819c3770c366e3268bda58bd689f5783", kill_on_drop: false }`
[INFO] [stdout] 93366d040441e392c40e473504a9bafb819c3770c366e3268bda58bd689f5783
