[INFO] cloning repository https://github.com/Kiops/thiserror_with_snafu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kiops/thiserror_with_snafu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiops%2Fthiserror_with_snafu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiops%2Fthiserror_with_snafu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239cf8960adf38e24520782585ada10df672ac3c
[INFO] checking Kiops/thiserror_with_snafu against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiops%2Fthiserror_with_snafu" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kiops/thiserror_with_snafu on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kiops/thiserror_with_snafu
[INFO] finished tweaking git repo https://github.com/Kiops/thiserror_with_snafu
[INFO] tweaked toml for git repo https://github.com/Kiops/thiserror_with_snafu written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Kiops/thiserror_with_snafu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85e41425050ab6b42df71c01f5e3c2076b6248b488f0d7cbab01305de36eab82
[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" "85e41425050ab6b42df71c01f5e3c2076b6248b488f0d7cbab01305de36eab82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85e41425050ab6b42df71c01f5e3c2076b6248b488f0d7cbab01305de36eab82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e41425050ab6b42df71c01f5e3c2076b6248b488f0d7cbab01305de36eab82", kill_on_drop: false }`
[INFO] [stdout] 85e41425050ab6b42df71c01f5e3c2076b6248b488f0d7cbab01305de36eab82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2644bf7e0364cb2e132df4653eac5e6e0f6476dbb3d111d1547b3be204953332
[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" "2644bf7e0364cb2e132df4653eac5e6e0f6476dbb3d111d1547b3be204953332", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking snafu_with_thiserror v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorCompat`, `ResultExt`, `ensure`
[INFO] [stdout]  --> src/snafu_errors.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snafu::{Snafu, ResultExt, Backtrace, ErrorCompat, ensure};
[INFO] [stdout]   |                    ^^^^^^^^^             ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/thiserror_errors.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::snafu_errors::{self, Error};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/bomb.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::snafu_errors::{self, Error, Result};
[INFO] [stdout]   |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorCompat`, `ResultExt`, `ensure`
[INFO] [stdout]  --> src/snafu_errors.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use snafu::{Snafu, ResultExt, Backtrace, ErrorCompat, ensure};
[INFO] [stdout]   |                    ^^^^^^^^^             ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/thiserror_errors.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::snafu_errors::{self, Error};
[INFO] [stdout]   |                                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/bomb.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::snafu_errors::{self, Error, Result};
[INFO] [stdout]   |                                        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]  --> src/bomb.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[throws]
[INFO] [stdout]   | ^^^^^^^^^ unreachable expression
[INFO] [stdout] 5 | pub fn explode(){
[INFO] [stdout] 6 |     throw!(snafu_errors::Boom.build());
[INFO] [stdout]   |     ----------------------------------- any code following this expression is unreachable
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/snafu_errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Result<T, E = Error> = std::result::Result<T, E>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]  --> src/bomb.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[throws]
[INFO] [stdout]   | ^^^^^^^^^ unreachable expression
[INFO] [stdout] 5 | pub fn explode(){
[INFO] [stdout] 6 |     throw!(snafu_errors::Boom.build());
[INFO] [stdout]   |     ----------------------------------- any code following this expression is unreachable
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]   = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/snafu_errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Result<T, E = Error> = std::result::Result<T, E>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.74s
[INFO] running `Command { std: "docker" "inspect" "2644bf7e0364cb2e132df4653eac5e6e0f6476dbb3d111d1547b3be204953332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2644bf7e0364cb2e132df4653eac5e6e0f6476dbb3d111d1547b3be204953332", kill_on_drop: false }`
[INFO] [stdout] 2644bf7e0364cb2e132df4653eac5e6e0f6476dbb3d111d1547b3be204953332