[INFO] cloning repository https://github.com/twe4ked/vgm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twe4ked/vgm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fvgm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fvgm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb7304b699456e0f5bd91dbeb5ecd7384709863e
[INFO] checking twe4ked/vgm against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fvgm" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twe4ked/vgm on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twe4ked/vgm
[INFO] finished tweaking git repo https://github.com/twe4ked/vgm
[INFO] tweaked toml for git repo https://github.com/twe4ked/vgm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/twe4ked/vgm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v5.0.1
[INFO] [stderr]   Downloaded nom_locate v1.0.0
[INFO] [stderr]   Downloaded custom_debug_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] b3d7517fda9b42d48fec765faa4648491d867d3fa2445f7c068fa571368b02a9
[INFO] running `Command { std: "docker" "start" "-a" "b3d7517fda9b42d48fec765faa4648491d867d3fa2445f7c068fa571368b02a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3d7517fda9b42d48fec765faa4648491d867d3fa2445f7c068fa571368b02a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d7517fda9b42d48fec765faa4648491d867d3fa2445f7c068fa571368b02a9", kill_on_drop: false }`
[INFO] [stdout] b3d7517fda9b42d48fec765faa4648491d867d3fa2445f7c068fa571368b02a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c95d7628d6e618220d4bbce47346f33040c9c6be7b82d5b9be8ee3e6cdcdaf27
[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" "c95d7628d6e618220d4bbce47346f33040c9c6be7b82d5b9be8ee3e6cdcdaf27", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling custom_debug_derive v0.2.0
[INFO] [stderr]     Checking vgm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/sn76489.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         #[no_mangle]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 74 |         fn malloc(_: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |         ------------------------------------------------- not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/sn76489.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         #[no_mangle]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 76 |         fn free(_: *mut libc::c_void);
[INFO] [stdout]    |         ------------------------------ not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/sn76489.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         #[no_mangle]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 74 |         fn malloc(_: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]    |         ------------------------------------------------- not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]   --> src/sn76489.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         #[no_mangle]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 76 |         fn free(_: *mut libc::c_void);
[INFO] [stdout]    |         ------------------------------ not a function or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[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 26.47s
[INFO] running `Command { std: "docker" "inspect" "c95d7628d6e618220d4bbce47346f33040c9c6be7b82d5b9be8ee3e6cdcdaf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95d7628d6e618220d4bbce47346f33040c9c6be7b82d5b9be8ee3e6cdcdaf27", kill_on_drop: false }`
[INFO] [stdout] c95d7628d6e618220d4bbce47346f33040c9c6be7b82d5b9be8ee3e6cdcdaf27