[INFO] cloning repository https://github.com/codebje/rustmtest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codebje/rustmtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebje%2Frustmtest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebje%2Frustmtest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57ff43c1fce32d12e3ecb092618ab194acb47ea0
[INFO] checking codebje/rustmtest against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebje%2Frustmtest" "/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/codebje/rustmtest on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codebje/rustmtest
[INFO] finished tweaking git repo https://github.com/codebje/rustmtest
[INFO] tweaked toml for git repo https://github.com/codebje/rustmtest written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/codebje/rustmtest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded build-helper v0.1.1
[INFO] [stderr]   Downloaded goblin v0.2.0
[INFO] [stderr]   Downloaded unicorn v0.9.1
[INFO] [stderr]   Downloaded libunicorn-sys v0.9.1
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066245f689cdc3046c2184f47115aff4e288fa956a35be8b0c7d77ae591264e5
[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" "066245f689cdc3046c2184f47115aff4e288fa956a35be8b0c7d77ae591264e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066245f689cdc3046c2184f47115aff4e288fa956a35be8b0c7d77ae591264e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066245f689cdc3046c2184f47115aff4e288fa956a35be8b0c7d77ae591264e5", kill_on_drop: false }`
[INFO] [stdout] 066245f689cdc3046c2184f47115aff4e288fa956a35be8b0c7d77ae591264e5
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9555e6b810e3078ec02dbebdb9295c7dc3f24d86d7dc76dd10a8e5ef8daa7fbe
[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" "9555e6b810e3078ec02dbebdb9295c7dc3f24d86d7dc76dd10a8e5ef8daa7fbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling libunicorn-sys v0.9.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking goblin v0.2.0
[INFO] [stderr]     Checking unicorn v0.9.1
[INFO] [stderr]     Checking rustmtest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lex/mod.rs:194:1
[INFO] [stdout]     |
[INFO] [stdout] 194 | / macro_rules! assert_ok {
[INFO] [stdout] 195 | |     ($s:expr, $res:expr, $rest:expr) => {{
[INFO] [stdout] 196 | |         let expr = $s.unwrap();
[INFO] [stdout] 197 | |         assert_eq!(expr, ($res, $rest));
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |     };
[INFO] [stdout] 204 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lex/mod.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | / macro_rules! assert_err {
[INFO] [stdout] 208 | |     ($s:expr, $kind:expr, $span:expr) => {
[INFO] [stdout] 209 | |         assert_eq!($s, Err(($kind, $span)))
[INFO] [stdout] 210 | |     };
[INFO] [stdout] 211 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lex/mod.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / macro_rules! assert_json {
[INFO] [stdout] 215 | |     ($expr:expr, $json:tt) => {
[INFO] [stdout] 216 | |         assert_eq!(
[INFO] [stdout] 217 | |             ::serde_json::to_value(&$expr).unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |     };
[INFO] [stdout] 221 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.49s
[INFO] running `Command { std: "docker" "inspect" "9555e6b810e3078ec02dbebdb9295c7dc3f24d86d7dc76dd10a8e5ef8daa7fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9555e6b810e3078ec02dbebdb9295c7dc3f24d86d7dc76dd10a8e5ef8daa7fbe", kill_on_drop: false }`
[INFO] [stdout] 9555e6b810e3078ec02dbebdb9295c7dc3f24d86d7dc76dd10a8e5ef8daa7fbe