[INFO] cloning repository https://github.com/KMSorSMS/learn-ci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KMSorSMS/learn-ci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMSorSMS%2Flearn-ci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMSorSMS%2Flearn-ci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28177a15a89dcec2dee506661a5f61e6d233531f
[INFO] checking KMSorSMS/learn-ci against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMSorSMS%2Flearn-ci" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KMSorSMS/learn-ci 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/KMSorSMS/learn-ci
[INFO] finished tweaking git repo https://github.com/KMSorSMS/learn-ci
[INFO] tweaked toml for git repo https://github.com/KMSorSMS/learn-ci written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KMSorSMS/learn-ci 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]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded filetime v0.2.21
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 38acfa5af67aaab9f47ffd05d62cd7ea78e5ab64e76d482d7a53ef38a7ba6a42
[INFO] running `Command { std: "docker" "start" "-a" "38acfa5af67aaab9f47ffd05d62cd7ea78e5ab64e76d482d7a53ef38a7ba6a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38acfa5af67aaab9f47ffd05d62cd7ea78e5ab64e76d482d7a53ef38a7ba6a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38acfa5af67aaab9f47ffd05d62cd7ea78e5ab64e76d482d7a53ef38a7ba6a42", kill_on_drop: false }`
[INFO] [stdout] 38acfa5af67aaab9f47ffd05d62cd7ea78e5ab64e76d482d7a53ef38a7ba6a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 27eb57ef8b0b58e349cf4c9401bdc2c24d79054388a7eb939818921843f92673
[INFO] running `Command { std: "docker" "start" "-a" "27eb57ef8b0b58e349cf4c9401bdc2c24d79054388a7eb939818921843f92673", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.59s
[INFO] running `Command { std: "docker" "inspect" "27eb57ef8b0b58e349cf4c9401bdc2c24d79054388a7eb939818921843f92673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27eb57ef8b0b58e349cf4c9401bdc2c24d79054388a7eb939818921843f92673", kill_on_drop: false }`
[INFO] [stdout] 27eb57ef8b0b58e349cf4c9401bdc2c24d79054388a7eb939818921843f92673
[INFO] checking KMSorSMS/learn-ci against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKMSorSMS%2Flearn-ci" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KMSorSMS/learn-ci 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/KMSorSMS/learn-ci
[INFO] finished tweaking git repo https://github.com/KMSorSMS/learn-ci
[INFO] tweaked toml for git repo https://github.com/KMSorSMS/learn-ci written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KMSorSMS/learn-ci 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 31b3fcfd0d6560a687abbc188ab2a5844e3d3e354ac5cb835adf4e7cd37d6660
[INFO] running `Command { std: "docker" "start" "-a" "31b3fcfd0d6560a687abbc188ab2a5844e3d3e354ac5cb835adf4e7cd37d6660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31b3fcfd0d6560a687abbc188ab2a5844e3d3e354ac5cb835adf4e7cd37d6660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b3fcfd0d6560a687abbc188ab2a5844e3d3e354ac5cb835adf4e7cd37d6660", kill_on_drop: false }`
[INFO] [stdout] 31b3fcfd0d6560a687abbc188ab2a5844e3d3e354ac5cb835adf4e7cd37d6660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 78fc4b2b382363c68ff9d9715f13421fcd2caa6919fec5dfca3e4477402e6dc3
[INFO] running `Command { std: "docker" "start" "-a" "78fc4b2b382363c68ff9d9715f13421fcd2caa6919fec5dfca3e4477402e6dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking rustlings v5.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "78fc4b2b382363c68ff9d9715f13421fcd2caa6919fec5dfca3e4477402e6dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78fc4b2b382363c68ff9d9715f13421fcd2caa6919fec5dfca3e4477402e6dc3", kill_on_drop: false }`
[INFO] [stdout] 78fc4b2b382363c68ff9d9715f13421fcd2caa6919fec5dfca3e4477402e6dc3