[INFO] cloning repository https://github.com/redshiftss/mersenne-prng
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redshiftss/mersenne-prng" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredshiftss%2Fmersenne-prng", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredshiftss%2Fmersenne-prng'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 519c65a809555406c1068f94f80278796fcb34bc
[INFO] building redshiftss/mersenne-prng against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredshiftss%2Fmersenne-prng" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redshiftss/mersenne-prng on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redshiftss/mersenne-prng
[INFO] finished tweaking git repo https://github.com/redshiftss/mersenne-prng
[INFO] tweaked toml for git repo https://github.com/redshiftss/mersenne-prng written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redshiftss/mersenne-prng 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef2980ee24e5122e6c5746008dcafb5912b32eb0be1ff52581a9e3e3f4419fa
[INFO] running `Command { std: "docker" "start" "-a" "bef2980ee24e5122e6c5746008dcafb5912b32eb0be1ff52581a9e3e3f4419fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef2980ee24e5122e6c5746008dcafb5912b32eb0be1ff52581a9e3e3f4419fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef2980ee24e5122e6c5746008dcafb5912b32eb0be1ff52581a9e3e3f4419fa", kill_on_drop: false }`
[INFO] [stdout] bef2980ee24e5122e6c5746008dcafb5912b32eb0be1ff52581a9e3e3f4419fa
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c8515726fbbdfd0ef7c58b8d7e5e9057ce594559f23f294073fd1c5fe1788e
[INFO] running `Command { std: "docker" "start" "-a" "83c8515726fbbdfd0ef7c58b8d7e5e9057ce594559f23f294073fd1c5fe1788e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling mt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Seek`, `self`, and `str::Chars`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, self}, io::{Write, Read, Seek}, str::Chars};
[INFO] [stdout]   |                      ^^^^                     ^^^^   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` is never used
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const s: usize = 7;
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` is never used
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const b: usize = 0x9D2C5680;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hardware_combinatorial_trojan` is never used
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn hardware_combinatorial_trojan(idx: usize)  -> usize{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hardware_sequential_trojan` is never used
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn hardware_sequential_trojan(idx:usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `w` should have an upper case name
[INFO] [stdout]  --> src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const w: usize = 32;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case (notice the capitalization): `W`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n` should have an upper case name
[INFO] [stdout]  --> src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const n: usize = 624;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `m` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const m: usize = 397; // middle word
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `M`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `r` should have an upper case name
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const r: usize = 31; // separation point
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const a: usize = 0x990FB0DF; // coefficient of rational normal form matrix
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `u` should have an upper case name
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const u: usize = 11;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `d` should have an upper case name
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const d: usize = 0xFFFFFFFF;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `l` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const l: usize = 18;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const s: usize = 7;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` should have an upper case name
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const b: usize = 0x9D2C5680;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `t` should have an upper case name
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const t: usize = 15;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `c` should have an upper case name
[INFO] [stdout]   --> src/main.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const c: usize = 0xEFC60000;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `f` should have an upper case name
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const f: usize = 1812433253;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `xA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut xA = x >> 1;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "83c8515726fbbdfd0ef7c58b8d7e5e9057ce594559f23f294073fd1c5fe1788e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c8515726fbbdfd0ef7c58b8d7e5e9057ce594559f23f294073fd1c5fe1788e", kill_on_drop: false }`
[INFO] [stdout] 83c8515726fbbdfd0ef7c58b8d7e5e9057ce594559f23f294073fd1c5fe1788e
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f8579c4c50fcb5769c47a2f50f854611ecac919c200d28febb5e1136d282c2
[INFO] running `Command { std: "docker" "start" "-a" "19f8579c4c50fcb5769c47a2f50f854611ecac919c200d28febb5e1136d282c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Seek`, `self`, and `str::Chars`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{File, self}, io::{Write, Read, Seek}, str::Chars};
[INFO] [stdout]   |                      ^^^^                     ^^^^   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` is never used
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const s: usize = 7;
[INFO] [stdout]    |       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` is never used
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const b: usize = 0x9D2C5680;
[INFO] [stdout]    |       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hardware_combinatorial_trojan` is never used
[INFO] [stdout]    --> src/main.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn hardware_combinatorial_trojan(idx: usize)  -> usize{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `w` should have an upper case name
[INFO] [stdout]  --> src/main.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const w: usize = 32;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case (notice the capitalization): `W`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `n` should have an upper case name
[INFO] [stdout]  --> src/main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const n: usize = 624;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `m` should have an upper case name
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const m: usize = 397; // middle word
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `M`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `r` should have an upper case name
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const r: usize = 31; // separation point
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `R`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const a: usize = 0x990FB0DF; // coefficient of rational normal form matrix
[INFO] [stdout]   |       ^ help: convert the identifier to upper case: `A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `u` should have an upper case name
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const u: usize = 11;
[INFO] [stdout]   |       ^ help: convert the identifier to upper case (notice the capitalization): `U`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `d` should have an upper case name
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const d: usize = 0xFFFFFFFF;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `D`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `l` should have an upper case name
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const l: usize = 18;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `L`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `s` should have an upper case name
[INFO] [stdout]   --> src/main.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const s: usize = 7;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` should have an upper case name
[INFO] [stdout]   --> src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const b: usize = 0x9D2C5680;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `t` should have an upper case name
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const t: usize = 15;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case: `T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `c` should have an upper case name
[INFO] [stdout]   --> src/main.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const c: usize = 0xEFC60000;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `C`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `f` should have an upper case name
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const f: usize = 1812433253;
[INFO] [stdout]    |       ^ help: convert the identifier to upper case (notice the capitalization): `F`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `xA` should have a snake case name
[INFO] [stdout]   --> src/main.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut xA = x >> 1;
[INFO] [stdout]    |                     ^^ help: convert the identifier to snake case: `x_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "19f8579c4c50fcb5769c47a2f50f854611ecac919c200d28febb5e1136d282c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f8579c4c50fcb5769c47a2f50f854611ecac919c200d28febb5e1136d282c2", kill_on_drop: false }`
[INFO] [stdout] 19f8579c4c50fcb5769c47a2f50f854611ecac919c200d28febb5e1136d282c2