[INFO] cloning repository https://github.com/7db9a/immutag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7db9a/immutag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fimmutag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fimmutag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09417eb6a8f0ac0142dcf93bf7a7ac3dcdbd55f6
[INFO] checking 7db9a/immutag against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7db9a%2Fimmutag" "/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/7db9a/immutag on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/7db9a/immutag
[INFO] finished tweaking git repo https://github.com/7db9a/immutag
[INFO] tweaked toml for git repo https://github.com/7db9a/immutag written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/7db9a/immutag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.4.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded num-integer v0.1.42
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[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
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[INFO] [stderr]   Downloaded quote v1.0.3
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[INFO] [stderr]   Downloaded redox_syscall v0.1.56
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[INFO] [stderr]   Downloaded either v1.5.3
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[INFO] [stderr]   Downloaded rust-crypto v0.2.36
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[INFO] [stderr]   Downloaded hex v0.3.2
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[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e70e923ec45119089eb90a200f4a4bb1b3cc161f643b65a723ff032a20517783
[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" "e70e923ec45119089eb90a200f4a4bb1b3cc161f643b65a723ff032a20517783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e70e923ec45119089eb90a200f4a4bb1b3cc161f643b65a723ff032a20517783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70e923ec45119089eb90a200f4a4bb1b3cc161f643b65a723ff032a20517783", kill_on_drop: false }`
[INFO] [stdout] e70e923ec45119089eb90a200f4a4bb1b3cc161f643b65a723ff032a20517783
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd8947abea35653a99b248870768304420a7291a469ea775ddd9e0e9a8d7afcb
[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" "fd8947abea35653a99b248870768304420a7291a469ea775ddd9e0e9a8d7afcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dns-lookup v0.9.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rusqlite v0.22.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking sv v0.1.11
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sv-0.1.11/src/messages/message.rs:366:83
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Message::Other(s) => Err(io::Error::new(io::ErrorKind::InvalidData, s.as_ref())),
[INFO] [stdout]     |                                                                                 --^^^^^^--
[INFO] [stdout]     |                                                                                 | |
[INFO] [stdout]     |                                                                                 | cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |                                                                                 this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] help: use the fully qualified path for the potential candidates
[INFO] [stdout]     |
[INFO] [stdout] 366 |             Message::Other(s) => Err(io::Error::new(io::ErrorKind::InvalidData, <String as AsRef<Path>>::as_ref(s))),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 366 |             Message::Other(s) => Err(io::Error::new(io::ErrorKind::InvalidData, <String as AsRef<OsStr>>::as_ref(s))),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 366 |             Message::Other(s) => Err(io::Error::new(io::ErrorKind::InvalidData, <String as AsRef<str>>::as_ref(s))),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 366 |             Message::Other(s) => Err(io::Error::new(io::ErrorKind::InvalidData, <String as AsRef<[u8]>>::as_ref(s))),
[INFO] [stdout]     |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sv`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fd8947abea35653a99b248870768304420a7291a469ea775ddd9e0e9a8d7afcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8947abea35653a99b248870768304420a7291a469ea775ddd9e0e9a8d7afcb", kill_on_drop: false }`
[INFO] [stdout] fd8947abea35653a99b248870768304420a7291a469ea775ddd9e0e9a8d7afcb