[INFO] fetching crate koto_cli 0.7.0...
[INFO] testing koto_cli-0.7.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate koto_cli 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate koto_cli 0.7.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koto_cli 0.7.0
[INFO] finished tweaking crates.io crate koto_cli 0.7.0
[INFO] tweaked toml for crates.io crate koto_cli 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate koto_cli 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded koto_tempfile v0.7.0
[INFO] [stderr]   Downloaded koto_toml v0.7.0
[INFO] [stderr]   Downloaded koto v0.7.0
[INFO] [stderr]   Downloaded koto_json v0.7.0
[INFO] [stderr]   Downloaded koto_random v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", 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] a5c07ed9f15a324177c8a78d3b93c1d61e15f43314f26055f953dc717a721e0d
[INFO] running `Command { std: "docker" "start" "-a" "a5c07ed9f15a324177c8a78d3b93c1d61e15f43314f26055f953dc717a721e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5c07ed9f15a324177c8a78d3b93c1d61e15f43314f26055f953dc717a721e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c07ed9f15a324177c8a78d3b93c1d61e15f43314f26055f953dc717a721e0d", kill_on_drop: false }`
[INFO] [stdout] a5c07ed9f15a324177c8a78d3b93c1d61e15f43314f26055f953dc717a721e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99eb0e3b32ae5b4d549f564cb4a8cc4d3502aa8576df2b70b338e65a4b7a9d94
[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" "99eb0e3b32ae5b4d549f564cb4a8cc4d3502aa8576df2b70b338e65a4b7a9d94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling koto_lexer v0.7.0
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling koto_parser v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling koto_bytecode v0.7.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling koto_runtime v0.7.0
[INFO] [stderr]    Compiling koto_tempfile v0.7.0
[INFO] [stderr]    Compiling koto_random v0.7.0
[INFO] [stderr]    Compiling koto v0.7.0
[INFO] [stderr]    Compiling koto_serialize v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling koto_json v0.7.0
[INFO] [stderr]    Compiling koto_toml v0.7.0
[INFO] [stderr]    Compiling koto_cli v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.12s
[INFO] running `Command { std: "docker" "inspect" "99eb0e3b32ae5b4d549f564cb4a8cc4d3502aa8576df2b70b338e65a4b7a9d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99eb0e3b32ae5b4d549f564cb4a8cc4d3502aa8576df2b70b338e65a4b7a9d94", kill_on_drop: false }`
[INFO] [stdout] 99eb0e3b32ae5b4d549f564cb4a8cc4d3502aa8576df2b70b338e65a4b7a9d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d98ee2d3b203993311fbf8395c0aa6b4c68c54d02ce536b2de70c99bdb1ee6c
[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" "1d98ee2d3b203993311fbf8395c0aa6b4c68c54d02ce536b2de70c99bdb1ee6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling koto_cli v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "1d98ee2d3b203993311fbf8395c0aa6b4c68c54d02ce536b2de70c99bdb1ee6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d98ee2d3b203993311fbf8395c0aa6b4c68c54d02ce536b2de70c99bdb1ee6c", kill_on_drop: false }`
[INFO] [stdout] 1d98ee2d3b203993311fbf8395c0aa6b4c68c54d02ce536b2de70c99bdb1ee6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89884eeff3a8a59ba2d8743948ccdeaeb9b706f4f32eecea865e7b0a1f38f661
[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" "89884eeff3a8a59ba2d8743948ccdeaeb9b706f4f32eecea865e7b0a1f38f661", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/koto-c6d8f9a6ffc715b9)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/repl_tests.rs (/opt/rustwide/target/debug/deps/repl_tests-e5a8b475848899ab)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test repl_tests::import_assert ... ok
[INFO] [stdout] test repl_tests::basic_arithmetic ... ok
[INFO] [stdout] test repl_tests::for_loop ... ok
[INFO] [stdout] test repl_tests::tuple_assignment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89884eeff3a8a59ba2d8743948ccdeaeb9b706f4f32eecea865e7b0a1f38f661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89884eeff3a8a59ba2d8743948ccdeaeb9b706f4f32eecea865e7b0a1f38f661", kill_on_drop: false }`
[INFO] [stdout] 89884eeff3a8a59ba2d8743948ccdeaeb9b706f4f32eecea865e7b0a1f38f661