[INFO] cloning repository https://github.com/kersanszki-levente/mini-redis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kersanszki-levente/mini-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkersanszki-levente%2Fmini-redis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkersanszki-levente%2Fmini-redis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a815ee2f2a68557a2c4b8093ce78d4677afd8a6
[INFO] checking kersanszki-levente/mini-redis against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkersanszki-levente%2Fmini-redis" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kersanszki-levente/mini-redis on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kersanszki-levente/mini-redis
[INFO] finished tweaking git repo https://github.com/kersanszki-levente/mini-redis
[INFO] tweaked toml for git repo https://github.com/kersanszki-levente/mini-redis written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kersanszki-levente/mini-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe68f7d8b3d39583163325cb694d397e9f8cf9dc3ac6dc5c6fcd02e26c66509f
[INFO] running `Command { std: "docker" "start" "-a" "fe68f7d8b3d39583163325cb694d397e9f8cf9dc3ac6dc5c6fcd02e26c66509f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe68f7d8b3d39583163325cb694d397e9f8cf9dc3ac6dc5c6fcd02e26c66509f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe68f7d8b3d39583163325cb694d397e9f8cf9dc3ac6dc5c6fcd02e26c66509f", kill_on_drop: false }`
[INFO] [stdout] fe68f7d8b3d39583163325cb694d397e9f8cf9dc3ac6dc5c6fcd02e26c66509f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5c6f172bea93170b86f86d392a44f9f558fe1e9a033adc2c6b9f0ce02133eff
[INFO] running `Command { std: "docker" "start" "-a" "d5c6f172bea93170b86f86d392a44f9f558fe1e9a033adc2c6b9f0ce02133eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking myredis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.33s
[INFO] running `Command { std: "docker" "inspect" "d5c6f172bea93170b86f86d392a44f9f558fe1e9a033adc2c6b9f0ce02133eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c6f172bea93170b86f86d392a44f9f558fe1e9a033adc2c6b9f0ce02133eff", kill_on_drop: false }`
[INFO] [stdout] d5c6f172bea93170b86f86d392a44f9f558fe1e9a033adc2c6b9f0ce02133eff
[INFO] checking kersanszki-levente/mini-redis against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkersanszki-levente%2Fmini-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kersanszki-levente/mini-redis on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kersanszki-levente/mini-redis
[INFO] finished tweaking git repo https://github.com/kersanszki-levente/mini-redis
[INFO] tweaked toml for git repo https://github.com/kersanszki-levente/mini-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kersanszki-levente/mini-redis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2f92444837829c0b2e7b5dc1ad5901c6d7bbf2dc4e5e08d4fa4bfa401a6cd5
[INFO] running `Command { std: "docker" "start" "-a" "fa2f92444837829c0b2e7b5dc1ad5901c6d7bbf2dc4e5e08d4fa4bfa401a6cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2f92444837829c0b2e7b5dc1ad5901c6d7bbf2dc4e5e08d4fa4bfa401a6cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2f92444837829c0b2e7b5dc1ad5901c6d7bbf2dc4e5e08d4fa4bfa401a6cd5", kill_on_drop: false }`
[INFO] [stdout] fa2f92444837829c0b2e7b5dc1ad5901c6d7bbf2dc4e5e08d4fa4bfa401a6cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0c99c07f7ea5debe086c87ff96984b06085ab2720ae5c26d40e062da805dd6
[INFO] running `Command { std: "docker" "start" "-a" "0b0c99c07f7ea5debe086c87ff96984b06085ab2720ae5c26d40e062da805dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking myredis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.42s
[INFO] running `Command { std: "docker" "inspect" "0b0c99c07f7ea5debe086c87ff96984b06085ab2720ae5c26d40e062da805dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0c99c07f7ea5debe086c87ff96984b06085ab2720ae5c26d40e062da805dd6", kill_on_drop: false }`
[INFO] [stdout] 0b0c99c07f7ea5debe086c87ff96984b06085ab2720ae5c26d40e062da805dd6