[INFO] cloning repository https://github.com/KSXGitHub/fmt-iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KSXGitHub/fmt-iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 407dbb43ff7e75cad3304ac4705e197a5e8f585d
[INFO] testing KSXGitHub/fmt-iter against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKSXGitHub%2Ffmt-iter" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KSXGitHub/fmt-iter 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-3/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/KSXGitHub/fmt-iter
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/KSXGitHub/fmt-iter
[INFO] tweaked toml for git repo https://github.com/KSXGitHub/fmt-iter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/KSXGitHub/fmt-iter 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5682b8d2e0ea0033ade1f4541473a5c31e44fee91a1ca02ec5dbe39319ec7979
[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" "5682b8d2e0ea0033ade1f4541473a5c31e44fee91a1ca02ec5dbe39319ec7979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5682b8d2e0ea0033ade1f4541473a5c31e44fee91a1ca02ec5dbe39319ec7979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5682b8d2e0ea0033ade1f4541473a5c31e44fee91a1ca02ec5dbe39319ec7979", kill_on_drop: false }`
[INFO] [stdout] 5682b8d2e0ea0033ade1f4541473a5c31e44fee91a1ca02ec5dbe39319ec7979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 105a874968524f20fa4f09a90182ed0654188a78df16866df3cfb68ec01d230d
[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" "105a874968524f20fa4f09a90182ed0654188a78df16866df3cfb68ec01d230d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling fmt-iter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.99s
[INFO] running `Command { std: "docker" "inspect" "105a874968524f20fa4f09a90182ed0654188a78df16866df3cfb68ec01d230d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105a874968524f20fa4f09a90182ed0654188a78df16866df3cfb68ec01d230d", kill_on_drop: false }`
[INFO] [stdout] 105a874968524f20fa4f09a90182ed0654188a78df16866df3cfb68ec01d230d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39bb6cb717f6458f9a0cb583652a642d995d7cddeb10db7770dd56114b8cb57b
[INFO] running `Command { std: "docker" "start" "-a" "39bb6cb717f6458f9a0cb583652a642d995d7cddeb10db7770dd56114b8cb57b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe-trait v0.3.2
[INFO] [stderr]    Compiling fmt-iter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "39bb6cb717f6458f9a0cb583652a642d995d7cddeb10db7770dd56114b8cb57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bb6cb717f6458f9a0cb583652a642d995d7cddeb10db7770dd56114b8cb57b", kill_on_drop: false }`
[INFO] [stdout] 39bb6cb717f6458f9a0cb583652a642d995d7cddeb10db7770dd56114b8cb57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] c93611424a6eee1e57ec070430202b0e77a60ef64bc9e15828febca10a26648f
[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" "c93611424a6eee1e57ec070430202b0e77a60ef64bc9e15828febca10a26648f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fmt_iter-a9495d516dbc670c)
[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] [stderr]      Running test.rs (/opt/rustwide/target/debug/deps/test-3dda9e9b58888329)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test display_slice_string ... ok
[INFO] [stdout] test display_slice_char ... ok
[INFO] [stdout] test exact_size_iter ... ok
[INFO] [stdout] test repeat_len ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test display_repeat_char ... ok
[INFO] [stdout] test display_repeat_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fmt_iter
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lib.rs - (line 18) - compile ... ok
[INFO] [stdout] test lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 55) ... ok
[INFO] [stdout] test lib.rs - repeat (line 127) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 47) ... ok
[INFO] [stdout] test lib.rs - FmtIter (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c93611424a6eee1e57ec070430202b0e77a60ef64bc9e15828febca10a26648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93611424a6eee1e57ec070430202b0e77a60ef64bc9e15828febca10a26648f", kill_on_drop: false }`
[INFO] [stdout] c93611424a6eee1e57ec070430202b0e77a60ef64bc9e15828febca10a26648f