[INFO] cloning repository https://github.com/spamwax/rmate-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spamwax/rmate-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspamwax%2Frmate-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspamwax%2Frmate-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 251f87a97aab3a7f56643163062706d98012b43b
[INFO] testing spamwax/rmate-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspamwax%2Frmate-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spamwax/rmate-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/spamwax/rmate-rs
[INFO] finished tweaking git repo https://github.com/spamwax/rmate-rs
[INFO] tweaked toml for git repo https://github.com/spamwax/rmate-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/spamwax/rmate-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded fork v0.1.18
[INFO] [stderr]   Downloaded version-sync v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada860c5b4cdc6526c5ad0bdb451d5e005a30b4211cbc61635ac094f5ca542f9
[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" "ada860c5b4cdc6526c5ad0bdb451d5e005a30b4211cbc61635ac094f5ca542f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada860c5b4cdc6526c5ad0bdb451d5e005a30b4211cbc61635ac094f5ca542f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada860c5b4cdc6526c5ad0bdb451d5e005a30b4211cbc61635ac094f5ca542f9", kill_on_drop: false }`
[INFO] [stdout] ada860c5b4cdc6526c5ad0bdb451d5e005a30b4211cbc61635ac094f5ca542f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 603472f856262be32a32b9caba946704c3509226bc941fdf1a02fdab6dc295a3
[INFO] running `Command { std: "docker" "start" "-a" "603472f856262be32a32b9caba946704c3509226bc941fdf1a02fdab6dc295a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling fork v0.1.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling rmate v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `unixsocket`
[INFO] [stdout]   --> src/settings.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(crate) unixsocket: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `RcSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/settings.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.95s
[INFO] running `Command { std: "docker" "inspect" "603472f856262be32a32b9caba946704c3509226bc941fdf1a02fdab6dc295a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "603472f856262be32a32b9caba946704c3509226bc941fdf1a02fdab6dc295a3", kill_on_drop: false }`
[INFO] [stdout] 603472f856262be32a32b9caba946704c3509226bc941fdf1a02fdab6dc295a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1c2cd1bc0288f9977d15e00f67dc25618760bfcb49eba08749de7b36eff75b9
[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" "a1c2cd1bc0288f9977d15e00f67dc25618760bfcb49eba08749de7b36eff75b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling rmate v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `unixsocket`
[INFO] [stdout]   --> src/settings.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(crate) unixsocket: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `RcSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/settings.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 | #[derive(Debug, Deserialize)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.82s
[INFO] running `Command { std: "docker" "inspect" "a1c2cd1bc0288f9977d15e00f67dc25618760bfcb49eba08749de7b36eff75b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c2cd1bc0288f9977d15e00f67dc25618760bfcb49eba08749de7b36eff75b9", kill_on_drop: false }`
[INFO] [stdout] a1c2cd1bc0288f9977d15e00f67dc25618760bfcb49eba08749de7b36eff75b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] a58eb1f00f26056dc195f48044f0d6d5f826bada9a481b611a440ab3151dd69d
[INFO] running `Command { std: "docker" "start" "-a" "a58eb1f00f26056dc195f48044f0d6d5f826bada9a481b611a440ab3151dd69d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `unixsocket`
[INFO] [stderr]   --> src/settings.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub(crate) unixsocket: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `RcSettings` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/settings.rs:78:10
[INFO] [stderr]    |
[INFO] [stderr] 78 | #[derive(Debug, Deserialize)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rmate` (bin "rmate" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rmate-8eb9ff686b9deaf6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a58eb1f00f26056dc195f48044f0d6d5f826bada9a481b611a440ab3151dd69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58eb1f00f26056dc195f48044f0d6d5f826bada9a481b611a440ab3151dd69d", kill_on_drop: false }`
[INFO] [stdout] a58eb1f00f26056dc195f48044f0d6d5f826bada9a481b611a440ab3151dd69d