[INFO] cloning repository https://github.com/rappet/welder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rappet/welder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fwelder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fwelder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9765f87ef2813d926d73c5a08fe72ac8bf16395
[INFO] testing rappet/welder against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fwelder" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rappet/welder on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rappet/welder
[INFO] finished tweaking git repo https://github.com/rappet/welder
[INFO] tweaked toml for git repo https://github.com/rappet/welder written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rappet/welder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.107
[INFO] [stderr]   Downloaded serde_derive v1.0.107
[INFO] [stderr]   Downloaded os_str_bytes v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5385f8f5fad5855ee0f369294b1d326690f1b735e7eeb5d4f4ee806380a61826
[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" "5385f8f5fad5855ee0f369294b1d326690f1b735e7eeb5d4f4ee806380a61826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5385f8f5fad5855ee0f369294b1d326690f1b735e7eeb5d4f4ee806380a61826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5385f8f5fad5855ee0f369294b1d326690f1b735e7eeb5d4f4ee806380a61826", kill_on_drop: false }`
[INFO] [stdout] 5385f8f5fad5855ee0f369294b1d326690f1b735e7eeb5d4f4ee806380a61826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6df7311ecfe33e64ab2d5cb79aa395f6562ae2aa588f430f11789661d02e46a
[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" "d6df7311ecfe33e64ab2d5cb79aa395f6562ae2aa588f430f11789661d02e46a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling serde v1.0.107
[INFO] [stderr]    Compiling os_str_bytes v2.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.107
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling welder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Display`
[INFO] [stdout]  --> src/types/task_identifier.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conf::Task`
[INFO] [stdout]  --> src/types/task_identifier.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::conf::Task;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scoped`
[INFO] [stdout]   --> src/types/task_identifier.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn scoped(self, role: &str) -> TaskIdentifier {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/types/task_identifier.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn kind(&self) -> &TaskIdentifierErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "d6df7311ecfe33e64ab2d5cb79aa395f6562ae2aa588f430f11789661d02e46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6df7311ecfe33e64ab2d5cb79aa395f6562ae2aa588f430f11789661d02e46a", kill_on_drop: false }`
[INFO] [stdout] d6df7311ecfe33e64ab2d5cb79aa395f6562ae2aa588f430f11789661d02e46a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 876a3c9a4a7bae0918a56de0ee8afea2e5497f94e7b461d42b37080273b28f91
[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" "876a3c9a4a7bae0918a56de0ee8afea2e5497f94e7b461d42b37080273b28f91", kill_on_drop: false }`
[INFO] [stderr]    Compiling welder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Display`
[INFO] [stdout]  --> src/types/task_identifier.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::conf::Task`
[INFO] [stdout]  --> src/types/task_identifier.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::conf::Task;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scoped`
[INFO] [stdout]   --> src/types/task_identifier.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn scoped(self, role: &str) -> TaskIdentifier {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/types/task_identifier.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn kind(&self) -> &TaskIdentifierErrorKind {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "876a3c9a4a7bae0918a56de0ee8afea2e5497f94e7b461d42b37080273b28f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876a3c9a4a7bae0918a56de0ee8afea2e5497f94e7b461d42b37080273b28f91", kill_on_drop: false }`
[INFO] [stdout] 876a3c9a4a7bae0918a56de0ee8afea2e5497f94e7b461d42b37080273b28f91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91917779f9f35242d0a2361173c9133ba9f00dfdecd59e0ec90a31d8b1e8bcb6
[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" "91917779f9f35242d0a2361173c9133ba9f00dfdecd59e0ec90a31d8b1e8bcb6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::path::Display`
[INFO] [stderr]  --> src/types/task_identifier.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Display;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::conf::Task`
[INFO] [stderr]  --> src/types/task_identifier.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::conf::Task;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `scoped`
[INFO] [stderr]   --> src/types/task_identifier.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn scoped(self, role: &str) -> TaskIdentifier {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `kind`
[INFO] [stderr]   --> src/types/task_identifier.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn kind(&self) -> &TaskIdentifierErrorKind {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/welder-455c3269846593a0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::types::parse_task_identifier ... ok
[INFO] [stdout] test conf::tests::test_from_toml ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91917779f9f35242d0a2361173c9133ba9f00dfdecd59e0ec90a31d8b1e8bcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91917779f9f35242d0a2361173c9133ba9f00dfdecd59e0ec90a31d8b1e8bcb6", kill_on_drop: false }`
[INFO] [stdout] 91917779f9f35242d0a2361173c9133ba9f00dfdecd59e0ec90a31d8b1e8bcb6