[INFO] cloning repository https://github.com/nathan-at-least/wormcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathan-at-least/wormcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fwormcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fwormcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfeb7067324bbc9947098cd6d1fe77ab6f05d8de
[INFO] checking nathan-at-least/wormcode against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathan-at-least%2Fwormcode" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathan-at-least/wormcode on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathan-at-least/wormcode
[INFO] finished tweaking git repo https://github.com/nathan-at-least/wormcode
[INFO] tweaked toml for git repo https://github.com/nathan-at-least/wormcode written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nathan-at-least/wormcode 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-case v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57878e4bc4e80cbeb1100ebe0d1bd4030edfdc72349208cf52604ec8f8b15e13
[INFO] running `Command { std: "docker" "start" "-a" "57878e4bc4e80cbeb1100ebe0d1bd4030edfdc72349208cf52604ec8f8b15e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57878e4bc4e80cbeb1100ebe0d1bd4030edfdc72349208cf52604ec8f8b15e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57878e4bc4e80cbeb1100ebe0d1bd4030edfdc72349208cf52604ec8f8b15e13", kill_on_drop: false }`
[INFO] [stdout] 57878e4bc4e80cbeb1100ebe0d1bd4030edfdc72349208cf52604ec8f8b15e13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45bd9aac8c7c792890a78920d79433540396d6ee08158b3912b92a708083e756
[INFO] running `Command { std: "docker" "start" "-a" "45bd9aac8c7c792890a78920d79433540396d6ee08158b3912b92a708083e756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking wormcode_bits v0.1.0 (/opt/rustwide/workdir/wormcode_bits)
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking wormcode_space v0.1.0 (/opt/rustwide/workdir/wormcode_space)
[INFO] [stderr]     Checking wormcode_console v0.1.0 (/opt/rustwide/workdir/wormcode_console)
[INFO] [stdout] warning: fields `typename` and `src` are never read
[INFO] [stdout]   --> wormcode_bits/src/codec.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DecodeError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     typename: &'static str,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     src: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wormcode_cell v0.1.0 (/opt/rustwide/workdir/wormcode_cell)
[INFO] [stderr]     Checking wormcode_inst v0.1.0 (/opt/rustwide/workdir/wormcode_inst)
[INFO] [stderr]     Checking wormcode_ui v0.1.0 (/opt/rustwide/workdir/wormcode_ui)
[INFO] [stdout] warning: unused import: `wormcode_cell::Cell`
[INFO] [stdout]  --> wormcode_ui/src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wormcode_cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wormcode_space::Space`
[INFO] [stdout]  --> wormcode_ui/src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wormcode_space::Space;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wormcode_cell::Cell`
[INFO] [stdout]  --> wormcode_ui/src/ui.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wormcode_cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wormcode_space::Space`
[INFO] [stdout]  --> wormcode_ui/src/ui.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wormcode_space::Space;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wormcode_prng v0.1.0 (/opt/rustwide/workdir/wormcode_prng)
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stdout] warning: fields `typename` and `src` are never read
[INFO] [stdout]   --> wormcode_bits/src/codec.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DecodeError {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 13 |     typename: &'static str,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 14 |     src: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wormcode_asm v0.1.0 (/opt/rustwide/workdir/wormcode_asm)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> wormcode_asm/src/inst.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn from_line(line: &str) -> InstructionAssembler {
[INFO] [stdout]    |                        ^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn from_line(line: &str) -> InstructionAssembler<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking wormcode_sim v0.1.0 (/opt/rustwide/workdir/wormcode_sim)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> wormcode_asm/src/inst.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn from_line(line: &str) -> InstructionAssembler {
[INFO] [stdout]    |                        ^^^^     -------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn from_line(line: &str) -> InstructionAssembler<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prng`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_prng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wormcode`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:71
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wormcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prng` and `space` are never read
[INFO] [stdout]  --> wormcode_sim/src/sim.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Sim {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 8 |     prng: Prng,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     space: Space<Cell>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prng`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_prng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `canvas`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_canvas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wormcode`
[INFO] [stdout]   --> wormcode_sim/src/sim.rs:46:71
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn layout_wormcode(prng: &mut Prng, canvas: &mut Space<Option<Cell>>, wormcode: Assemblage) {
[INFO] [stdout]    |                                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wormcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prng` and `space` are never read
[INFO] [stdout]  --> wormcode_sim/src/sim.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Sim {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 8 |     prng: Prng,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     space: Space<Cell>,
[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 16.26s
[INFO] running `Command { std: "docker" "inspect" "45bd9aac8c7c792890a78920d79433540396d6ee08158b3912b92a708083e756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bd9aac8c7c792890a78920d79433540396d6ee08158b3912b92a708083e756", kill_on_drop: false }`
[INFO] [stdout] 45bd9aac8c7c792890a78920d79433540396d6ee08158b3912b92a708083e756