[INFO] cloning repository https://github.com/playXE/mps-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/mps-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fmps-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fmps-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8b5c6f8b91da3020cb12345ceb180d9e49f0e47
[INFO] checking playXE/mps-rs against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fmps-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/mps-rs on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playXE/mps-rs
[INFO] finished tweaking git repo https://github.com/playXE/mps-rs
[INFO] tweaked toml for git repo https://github.com/playXE/mps-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/mps-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48e9327d09c868543f25c724ed254387b8e827df364907c4df66c61520d3901c
[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" "48e9327d09c868543f25c724ed254387b8e827df364907c4df66c61520d3901c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48e9327d09c868543f25c724ed254387b8e827df364907c4df66c61520d3901c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e9327d09c868543f25c724ed254387b8e827df364907c4df66c61520d3901c", kill_on_drop: false }`
[INFO] [stdout] 48e9327d09c868543f25c724ed254387b8e827df364907c4df66c61520d3901c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dcab90642c35ef941f9a1ac531319f988767b917dea2d61678f58051fed96e9
[INFO] running `Command { std: "docker" "start" "-a" "0dcab90642c35ef941f9a1ac531319f988767b917dea2d61678f58051fed96e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling paste v1.0.0
[INFO] [stderr]    Compiling clang-sys v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling mps-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: In file included from c_src/mps-1.117.0/code/mps.c:48:
[INFO] [stderr] warning: c_src/mps-1.117.0/code/root.c: In function 'RootDescribe':
[INFO] [stderr] warning: c_src/mps-1.117.0/code/root.c:734:40: warning: cast between incompatible function types from 'mps_root_scan_t' {aka 'int (*)(struct mps_ss_s *, void *, long unsigned int)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   734 |                  "scan function $F\n", (WriteFF)root->the.fun.scan,
[INFO] [stderr] warning:       |                                        ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/root.c:767:40: warning: cast between incompatible function types from 'mps_fmt_scan_t' {aka 'int (*)(struct mps_ss_s *, void *, void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   767 |                  "scan function $F\n", (WriteFF)root->the.fmt.scan,
[INFO] [stderr] warning:       |                                        ^
[INFO] [stderr] warning: In file included from c_src/mps-1.117.0/code/mps.c:50:
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c: In function 'FormatDescribe':
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c:236:31: warning: cast between incompatible function types from 'mps_fmt_scan_t' {aka 'int (*)(struct mps_ss_s *, void *, void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   236 |                "  scan $F\n", (WriteFF)format->scan,
[INFO] [stderr] warning:       |                               ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c:237:31: warning: cast between incompatible function types from 'mps_fmt_skip_t' {aka 'void * (*)(void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   237 |                "  skip $F\n", (WriteFF)format->skip,
[INFO] [stderr] warning:       |                               ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c:238:31: warning: cast between incompatible function types from 'mps_fmt_fwd_t' {aka 'void (*)(void *, void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   238 |                "  move $F\n", (WriteFF)format->move,
[INFO] [stderr] warning:       |                               ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c:239:34: warning: cast between incompatible function types from 'mps_fmt_isfwd_t' {aka 'void * (*)(void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   239 |                "  isMoved $F\n", (WriteFF)format->isMoved,
[INFO] [stderr] warning:       |                                  ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/format.c:240:30: warning: cast between incompatible function types from 'mps_fmt_pad_t' {aka 'void (*)(void *, long unsigned int)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:   240 |                "  pad $F\n", (WriteFF)format->pad,
[INFO] [stderr] warning:       |                              ^
[INFO] [stderr] warning: In file included from c_src/mps-1.117.0/code/mps.c:68:
[INFO] [stderr] warning: c_src/mps-1.117.0/code/splay.c: In function 'SplayTreeDescribe':
[INFO] [stderr] warning: c_src/mps-1.117.0/code/splay.c:1394:34: warning: cast between incompatible function types from 'TreeCompareFunction' {aka 'int (*)(struct TreeStruct *, void *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:  1394 |                "  compare $F\n", (WriteFF)splay->compare,
[INFO] [stderr] warning:       |                                  ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/splay.c:1395:34: warning: cast between incompatible function types from 'TreeKeyFunction' {aka 'void * (*)(struct TreeStruct *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:  1395 |                "  nodeKey $F\n", (WriteFF)splay->nodeKey,
[INFO] [stderr] warning:       |                                  ^
[INFO] [stderr] warning: c_src/mps-1.117.0/code/splay.c:1396:37: warning: cast between incompatible function types from 'SplayUpdateNodeFunction' {aka 'void (*)(struct SplayTreeStruct *, struct TreeStruct *)'} to 'void * (*)(void)' [-Wcast-function-type]
[INFO] [stderr] warning:  1396 |                "  updateNode $F\n", (WriteFF)splay->updateNode,
[INFO] [stderr] warning:       |                                     ^
[INFO] [stdout] warning: unused import: `core::mem::MaybeUninit`
[INFO] [stdout]   --> src/lib.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) use core::mem::MaybeUninit;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem::MaybeUninit`
[INFO] [stdout]   --> src/lib.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) use core::mem::MaybeUninit;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.47s
[INFO] running `Command { std: "docker" "inspect" "0dcab90642c35ef941f9a1ac531319f988767b917dea2d61678f58051fed96e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcab90642c35ef941f9a1ac531319f988767b917dea2d61678f58051fed96e9", kill_on_drop: false }`
[INFO] [stdout] 0dcab90642c35ef941f9a1ac531319f988767b917dea2d61678f58051fed96e9