[INFO] fetching crate fast-fibonacci 0.2.0...
[INFO] testing fast-fibonacci-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fast-fibonacci 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fast-fibonacci 0.2.0
[INFO] finished tweaking crates.io crate fast-fibonacci 0.2.0
[INFO] tweaked toml for crates.io crate fast-fibonacci 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast-fibonacci 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.1)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f6934d44f1ebfc07023bd87e49985960a6baf0876b2e8f0b979fc671756170d
[INFO] running `Command { std: "docker" "start" "-a" "1f6934d44f1ebfc07023bd87e49985960a6baf0876b2e8f0b979fc671756170d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6934d44f1ebfc07023bd87e49985960a6baf0876b2e8f0b979fc671756170d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6934d44f1ebfc07023bd87e49985960a6baf0876b2e8f0b979fc671756170d", kill_on_drop: false }`
[INFO] [stdout] 1f6934d44f1ebfc07023bd87e49985960a6baf0876b2e8f0b979fc671756170d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 680f3c0891a0d8fbdff4b23c368e71e8d4536d4324602feccf61ec8cd8ed971e
[INFO] running `Command { std: "docker" "start" "-a" "680f3c0891a0d8fbdff4b23c368e71e8d4536d4324602feccf61ec8cd8ed971e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling fast-fibonacci v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TWO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let TWO: BigUint = FromPrimitive::from_u64(2).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "680f3c0891a0d8fbdff4b23c368e71e8d4536d4324602feccf61ec8cd8ed971e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680f3c0891a0d8fbdff4b23c368e71e8d4536d4324602feccf61ec8cd8ed971e", kill_on_drop: false }`
[INFO] [stdout] 680f3c0891a0d8fbdff4b23c368e71e8d4536d4324602feccf61ec8cd8ed971e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e05a25ef03a9707c2633eaf514ca71a1546e4cdde300aabcb57dd197e6a85df
[INFO] running `Command { std: "docker" "start" "-a" "9e05a25ef03a9707c2633eaf514ca71a1546e4cdde300aabcb57dd197e6a85df", kill_on_drop: false }`
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fast-fibonacci v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TWO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let TWO: BigUint = FromPrimitive::from_u64(2).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ONE` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TWO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let TWO: BigUint = FromPrimitive::from_u64(2).unwrap();
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ZERO` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "9e05a25ef03a9707c2633eaf514ca71a1546e4cdde300aabcb57dd197e6a85df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e05a25ef03a9707c2633eaf514ca71a1546e4cdde300aabcb57dd197e6a85df", kill_on_drop: false }`
[INFO] [stdout] 9e05a25ef03a9707c2633eaf514ca71a1546e4cdde300aabcb57dd197e6a85df
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed9b249cf5a9b15313cd8b07a368d8de1467566149780a27ade4cfef177f751b
[INFO] running `Command { std: "docker" "start" "-a" "ed9b249cf5a9b15313cd8b07a368d8de1467566149780a27ade4cfef177f751b", kill_on_drop: false }`
[INFO] [stderr] warning: variable `ZERO` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ONE` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ONE` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let ONE: BigUint = FromPrimitive::from_u64(1).unwrap();
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `one`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TWO` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let TWO: BigUint = FromPrimitive::from_u64(2).unwrap();
[INFO] [stderr]     |         ^^^ help: convert the identifier to snake case: `two`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ZERO` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let ZERO: BigUint = FromPrimitive::from_u64(0).unwrap();
[INFO] [stderr]     |         ^^^^ help: convert the identifier to snake case: `zero`
[INFO] [stderr] 
[INFO] [stderr] warning: `fast-fibonacci` (lib) generated 5 warnings
[INFO] [stderr] warning: `fast-fibonacci` (lib test) generated 5 warnings (5 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/fast_fibonacci-c0914f864b0db7cc)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_modulo ... ok
[INFO] [stdout] test tests::test_bigfib ... ok
[INFO] [stdout] test tests::test_first_few ... ok
[INFO] [stdout] test tests::test_big ... ok
[INFO] [stdout] test tests::test_large_bigfib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_fibonacci
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 70) ... ok
[INFO] [stdout] test src/lib.rs - bigfib_with_mod (line 52) ... ok
[INFO] [stdout] test src/lib.rs - fib_with_mod (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed9b249cf5a9b15313cd8b07a368d8de1467566149780a27ade4cfef177f751b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9b249cf5a9b15313cd8b07a368d8de1467566149780a27ade4cfef177f751b", kill_on_drop: false }`
[INFO] [stdout] ed9b249cf5a9b15313cd8b07a368d8de1467566149780a27ade4cfef177f751b
