[INFO] updating cached 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" "-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] 239cf8960adf38e24520782585ada10df672ac3c
[INFO] checking Kiops/thiserror_with_snafu against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiops%2Fthiserror_with_snafu" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kiops/thiserror_with_snafu on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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-10/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e22c1073e347f2013bf2abab0df2e38cf65a42b78309f31b9ec4de9a8752bc9
[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" "2e22c1073e347f2013bf2abab0df2e38cf65a42b78309f31b9ec4de9a8752bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e22c1073e347f2013bf2abab0df2e38cf65a42b78309f31b9ec4de9a8752bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e22c1073e347f2013bf2abab0df2e38cf65a42b78309f31b9ec4de9a8752bc9", kill_on_drop: false }`
[INFO] [stdout] 2e22c1073e347f2013bf2abab0df2e38cf65a42b78309f31b9ec4de9a8752bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a486fd5ea21dbabd99e49c12e65ffc08dbc1ca406a3ca25e449c1af93142b15
[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" "6a486fd5ea21dbabd99e49c12e65ffc08dbc1ca406a3ca25e449c1af93142b15", kill_on_drop: false }`
[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 doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[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: 5 warnings emitted
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.37s
[INFO] running `Command { std: "docker" "inspect" "6a486fd5ea21dbabd99e49c12e65ffc08dbc1ca406a3ca25e449c1af93142b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a486fd5ea21dbabd99e49c12e65ffc08dbc1ca406a3ca25e449c1af93142b15", kill_on_drop: false }`
[INFO] [stdout] 6a486fd5ea21dbabd99e49c12e65ffc08dbc1ca406a3ca25e449c1af93142b15