[INFO] fetching crate wascap-guest 0.0.1...
[INFO] extracting crate wascap-guest 0.0.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wascap-guest/0.0.1
[INFO] extracting crate wascap-guest 0.0.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/wascap-guest/0.0.1
[INFO] validating manifest of wascap-guest-0.0.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wascap-guest-0.0.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wascap-guest-0.0.1
[INFO] finished frobbing wascap-guest-0.0.1
[INFO] frobbed toml for wascap-guest-0.0.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wascap-guest/0.0.1/Cargo.toml
[INFO] started frobbing wascap-guest-0.0.1
[INFO] finished frobbing wascap-guest-0.0.1
[INFO] frobbed toml for wascap-guest-0.0.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/wascap-guest/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wascap-codec v0.0.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wascap-guest-0.0.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wascap-guest/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 41fb8b1ba47110ca7306486bef7426af9b61215ae61dcb53bcc16da2a479c8a6
[INFO] running `"docker" "start" "-a" "41fb8b1ba47110ca7306486bef7426af9b61215ae61dcb53bcc16da2a479c8a6"`
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling wascap-codec v0.0.1
[INFO] [stderr]     Checking wascap-guest v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::guestmem::Stack`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::guestmem::Stack;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/http.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/http.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `self`
[INFO] [stderr]  --> src/kv.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::errors::{self, ErrorKind};
[INFO] [stderr]   |                     ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SetResponse`
[INFO] [stderr]  --> src/kv.rs:7:68
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ListRangeRequest, ListRangeResponse, ListResponse, SetRequest, SetResponse,
[INFO] [stderr]   |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::guestmem::Stack`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::guestmem::Stack;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:47:32
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/http.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/http.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind`, `self`
[INFO] [stderr]  --> src/kv.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::errors::{self, ErrorKind};
[INFO] [stderr]   |                     ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SetResponse`
[INFO] [stderr]  --> src/kv.rs:7:68
[INFO] [stderr]   |
[INFO] [stderr] 7 |     ListRangeRequest, ListRangeResponse, ListResponse, SetRequest, SetResponse,
[INFO] [stderr]   |                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `evt`
[INFO] [stderr]   --> src/kv.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |         do_host_call(&cmd).map(|evt| ())
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_evt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `evt`
[INFO] [stderr]   --> src/kv.rs:82:33
[INFO] [stderr]    |
[INFO] [stderr] 82 |         do_host_call(&cmd).map(|evt| ())
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_evt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `evt`
[INFO] [stderr]   --> src/kv.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |         do_host_call(&cmd).map(|evt| ())
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_evt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `evt`
[INFO] [stderr]   --> src/kv.rs:82:33
[INFO] [stderr]    |
[INFO] [stderr] 82 |         do_host_call(&cmd).map(|evt| ())
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_evt`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]  --> src/errors.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) fn new(kind: ErrorKind) -> Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]  --> src/errors.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub(crate) fn new(kind: ErrorKind) -> Error {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.08s
[INFO] running `"docker" "inspect" "41fb8b1ba47110ca7306486bef7426af9b61215ae61dcb53bcc16da2a479c8a6"`
[INFO] running `"docker" "rm" "-f" "41fb8b1ba47110ca7306486bef7426af9b61215ae61dcb53bcc16da2a479c8a6"`
[INFO] [stdout] 41fb8b1ba47110ca7306486bef7426af9b61215ae61dcb53bcc16da2a479c8a6