[INFO] cloning repository https://github.com/Megadash452/tree-struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Megadash452/tree-struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegadash452%2Ftree-struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegadash452%2Ftree-struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4e6c5b310b15ab65c61f43401d50d837e40adaa
[INFO] checking Megadash452/tree-struct against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegadash452%2Ftree-struct" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Megadash452/tree-struct 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/Megadash452/tree-struct
[INFO] finished tweaking git repo https://github.com/Megadash452/tree-struct
[INFO] tweaked toml for git repo https://github.com/Megadash452/tree-struct written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Megadash452/tree-struct 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 ptrplus v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d8851c0fd14d4105c92416d0fcdb5deb84d7d5d0146b845a61925017a6bb8150
[INFO] running `Command { std: "docker" "start" "-a" "d8851c0fd14d4105c92416d0fcdb5deb84d7d5d0146b845a61925017a6bb8150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8851c0fd14d4105c92416d0fcdb5deb84d7d5d0146b845a61925017a6bb8150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8851c0fd14d4105c92416d0fcdb5deb84d7d5d0146b845a61925017a6bb8150", kill_on_drop: false }`
[INFO] [stdout] d8851c0fd14d4105c92416d0fcdb5deb84d7d5d0146b845a61925017a6bb8150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 965a434bcc7472ba550bd5bdf306f43af44ff13f834ae47f74798032cd5bc8d2
[INFO] running `Command { std: "docker" "start" "-a" "965a434bcc7472ba550bd5bdf306f43af44ff13f834ae47f74798032cd5bc8d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking ptrplus v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tree-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "965a434bcc7472ba550bd5bdf306f43af44ff13f834ae47f74798032cd5bc8d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965a434bcc7472ba550bd5bdf306f43af44ff13f834ae47f74798032cd5bc8d2", kill_on_drop: false }`
[INFO] [stdout] 965a434bcc7472ba550bd5bdf306f43af44ff13f834ae47f74798032cd5bc8d2
[INFO] checking Megadash452/tree-struct against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegadash452%2Ftree-struct" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Megadash452/tree-struct 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/Megadash452/tree-struct
[INFO] finished tweaking git repo https://github.com/Megadash452/tree-struct
[INFO] tweaked toml for git repo https://github.com/Megadash452/tree-struct written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Megadash452/tree-struct 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] aac93cd2cb1827ef63fb703aa0e993c2e6a46bf113a11ad6997bd84a1230dda7
[INFO] running `Command { std: "docker" "start" "-a" "aac93cd2cb1827ef63fb703aa0e993c2e6a46bf113a11ad6997bd84a1230dda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac93cd2cb1827ef63fb703aa0e993c2e6a46bf113a11ad6997bd84a1230dda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac93cd2cb1827ef63fb703aa0e993c2e6a46bf113a11ad6997bd84a1230dda7", kill_on_drop: false }`
[INFO] [stdout] aac93cd2cb1827ef63fb703aa0e993c2e6a46bf113a11ad6997bd84a1230dda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6ac6858cd163ff8d4bf1cd23a0ee1f44374b79aeea0bd4d0a7fc5a4e5afad8a4
[INFO] running `Command { std: "docker" "start" "-a" "6ac6858cd163ff8d4bf1cd23a0ee1f44374b79aeea0bd4d0a7fc5a4e5afad8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking ptrplus v2.1.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tree-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "6ac6858cd163ff8d4bf1cd23a0ee1f44374b79aeea0bd4d0a7fc5a4e5afad8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac6858cd163ff8d4bf1cd23a0ee1f44374b79aeea0bd4d0a7fc5a4e5afad8a4", kill_on_drop: false }`
[INFO] [stdout] 6ac6858cd163ff8d4bf1cd23a0ee1f44374b79aeea0bd4d0a7fc5a4e5afad8a4