[INFO] updating cached repository https://github.com/hoodie/jatt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c11d5e6048f40b63f2eec4758691595a676c214
[INFO] checking hoodie/jatt against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoodie%2Fjatt" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoodie/jatt on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoodie/jatt
[INFO] finished tweaking git repo https://github.com/hoodie/jatt
[INFO] tweaked toml for git repo https://github.com/hoodie/jatt written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hoodie/jatt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aedcd2ba07bd7e5f0f025c828da741ba22f34fd2f34bbcd3d7e90db53ac079ed
[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" "aedcd2ba07bd7e5f0f025c828da741ba22f34fd2f34bbcd3d7e90db53ac079ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aedcd2ba07bd7e5f0f025c828da741ba22f34fd2f34bbcd3d7e90db53ac079ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedcd2ba07bd7e5f0f025c828da741ba22f34fd2f34bbcd3d7e90db53ac079ed", kill_on_drop: false }`
[INFO] [stdout] aedcd2ba07bd7e5f0f025c828da741ba22f34fd2f34bbcd3d7e90db53ac079ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] 79be95112d8c54d492088e519805216a9dd6261e3134f16ca9176532a69a071f
[INFO] running `Command { std: "docker" "start" "-a" "79be95112d8c54d492088e519805216a9dd6261e3134f16ca9176532a69a071f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking jatt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / error_chain!{
[INFO] [stdout] 8  | |     types {
[INFO] [stdout] 9  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] 10 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.91s
[INFO] running `Command { std: "docker" "inspect" "79be95112d8c54d492088e519805216a9dd6261e3134f16ca9176532a69a071f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79be95112d8c54d492088e519805216a9dd6261e3134f16ca9176532a69a071f", kill_on_drop: false }`
[INFO] [stdout] 79be95112d8c54d492088e519805216a9dd6261e3134f16ca9176532a69a071f