[INFO] cloning repository https://github.com/Software-Knife-and-Tool/lispox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Software-Knife-and-Tool/lispox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoftware-Knife-and-Tool%2Flispox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoftware-Knife-and-Tool%2Flispox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dc490f8bb28c84f2bd965a582017904f5d1c73d
[INFO] checking Software-Knife-and-Tool/lispox against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoftware-Knife-and-Tool%2Flispox" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Software-Knife-and-Tool/lispox on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Software-Knife-and-Tool/lispox
[INFO] finished tweaking git repo https://github.com/Software-Knife-and-Tool/lispox
[INFO] tweaked toml for git repo https://github.com/Software-Knife-and-Tool/lispox written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3167b789674333a5d5b8dd15cabd5fb8f1a46205109264e643c1d7f630644bef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3167b789674333a5d5b8dd15cabd5fb8f1a46205109264e643c1d7f630644bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3167b789674333a5d5b8dd15cabd5fb8f1a46205109264e643c1d7f630644bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3167b789674333a5d5b8dd15cabd5fb8f1a46205109264e643c1d7f630644bef", kill_on_drop: false }`
[INFO] [stdout] 3167b789674333a5d5b8dd15cabd5fb8f1a46205109264e643c1d7f630644bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9746181a85f030396a44eaa0b7a1e7ab031998f1687a8023ec938db762630bc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9746181a85f030396a44eaa0b7a1e7ab031998f1687a8023ec938db762630bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking lispox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `heap`
[INFO] [stdout]   --> src/mu/env.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     heap: Heap,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nwords`
[INFO] [stdout]  --> src/mu/heap.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     nwords: u32,           // number of u64 words
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fname`
[INFO] [stdout]  --> src/mu/heap.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fname: &'static str,   // mapped file name
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mmap`
[INFO] [stdout]  --> src/mu/heap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mmap: memmap::MmapMut, // mapped file segment
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fence`
[INFO] [stdout]  --> src/mu/heap.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fence: u32             // allocation fence
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/mu/heap.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn size(&self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_name`
[INFO] [stdout]   --> src/mu/heap.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn file_name(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fence`
[INFO] [stdout]   --> src/mu/heap.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn fence(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `heap`
[INFO] [stdout]   --> src/mu/env.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     heap: Heap,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nwords`
[INFO] [stdout]  --> src/mu/heap.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     nwords: u32,           // number of u64 words
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fname`
[INFO] [stdout]  --> src/mu/heap.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fname: &'static str,   // mapped file name
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mmap`
[INFO] [stdout]  --> src/mu/heap.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     mmap: memmap::MmapMut, // mapped file segment
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fence`
[INFO] [stdout]  --> src/mu/heap.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fence: u32             // allocation fence
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/mu/heap.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn size(&self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_name`
[INFO] [stdout]   --> src/mu/heap.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn file_name(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fence`
[INFO] [stdout]   --> src/mu/heap.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn fence(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.71s
[INFO] running `Command { std: "docker" "inspect" "9746181a85f030396a44eaa0b7a1e7ab031998f1687a8023ec938db762630bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9746181a85f030396a44eaa0b7a1e7ab031998f1687a8023ec938db762630bc4", kill_on_drop: false }`
[INFO] [stdout] 9746181a85f030396a44eaa0b7a1e7ab031998f1687a8023ec938db762630bc4