[INFO] cloning repository https://github.com/VendettaReborn/better-error-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VendettaReborn/better-error-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVendettaReborn%2Fbetter-error-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVendettaReborn%2Fbetter-error-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2f73ca20e0ae3d33c6f5c1422440d7d8e1bade9
[INFO] checking VendettaReborn/better-error-experiment against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVendettaReborn%2Fbetter-error-experiment" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VendettaReborn/better-error-experiment 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/VendettaReborn/better-error-experiment
[INFO] finished tweaking git repo https://github.com/VendettaReborn/better-error-experiment
[INFO] tweaked toml for git repo https://github.com/VendettaReborn/better-error-experiment written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/VendettaReborn/better-error-experiment 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d40775e5031cd0c0bd4f54a752a165d9eaa35426dbea3add44e2263eee740a34
[INFO] running `Command { std: "docker" "start" "-a" "d40775e5031cd0c0bd4f54a752a165d9eaa35426dbea3add44e2263eee740a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d40775e5031cd0c0bd4f54a752a165d9eaa35426dbea3add44e2263eee740a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40775e5031cd0c0bd4f54a752a165d9eaa35426dbea3add44e2263eee740a34", kill_on_drop: false }`
[INFO] [stdout] d40775e5031cd0c0bd4f54a752a165d9eaa35426dbea3add44e2263eee740a34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9443f190964f0c3d38049c0ce75e4f0ae151347936274057b25516eb93c3e63
[INFO] running `Command { std: "docker" "start" "-a" "c9443f190964f0c3d38049c0ce75e4f0ae151347936274057b25516eb93c3e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking stack-error-macro v0.1.0 (/opt/rustwide/workdir/stack-error-macro)
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking snafu v0.8.4
[INFO] [stderr]     Checking stack-error v0.1.0 (/opt/rustwide/workdir/stack-error)
[INFO] [stderr]     Checking tracing-examples v0.0.0 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "c9443f190964f0c3d38049c0ce75e4f0ae151347936274057b25516eb93c3e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9443f190964f0c3d38049c0ce75e4f0ae151347936274057b25516eb93c3e63", kill_on_drop: false }`
[INFO] [stdout] c9443f190964f0c3d38049c0ce75e4f0ae151347936274057b25516eb93c3e63
[INFO] checking VendettaReborn/better-error-experiment against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVendettaReborn%2Fbetter-error-experiment" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VendettaReborn/better-error-experiment 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/VendettaReborn/better-error-experiment
[INFO] finished tweaking git repo https://github.com/VendettaReborn/better-error-experiment
[INFO] tweaked toml for git repo https://github.com/VendettaReborn/better-error-experiment written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/VendettaReborn/better-error-experiment 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c4af1001b29025e80dd1fa30b3c58b33fc00dc59a5a090e06d7473ccadb1aefd
[INFO] running `Command { std: "docker" "start" "-a" "c4af1001b29025e80dd1fa30b3c58b33fc00dc59a5a090e06d7473ccadb1aefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4af1001b29025e80dd1fa30b3c58b33fc00dc59a5a090e06d7473ccadb1aefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4af1001b29025e80dd1fa30b3c58b33fc00dc59a5a090e06d7473ccadb1aefd", kill_on_drop: false }`
[INFO] [stdout] c4af1001b29025e80dd1fa30b3c58b33fc00dc59a5a090e06d7473ccadb1aefd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f54d9f12e4d0e38dc4c6c5e763a7db29e48b5044295431c27bfedf1453e6601c
[INFO] running `Command { std: "docker" "start" "-a" "f54d9f12e4d0e38dc4c6c5e763a7db29e48b5044295431c27bfedf1453e6601c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking stack-error-macro v0.1.0 (/opt/rustwide/workdir/stack-error-macro)
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking snafu v0.8.4
[INFO] [stderr]     Checking stack-error v0.1.0 (/opt/rustwide/workdir/stack-error)
[INFO] [stderr]     Checking tracing-examples v0.0.0 (/opt/rustwide/workdir/examples)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.18s
[INFO] running `Command { std: "docker" "inspect" "f54d9f12e4d0e38dc4c6c5e763a7db29e48b5044295431c27bfedf1453e6601c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54d9f12e4d0e38dc4c6c5e763a7db29e48b5044295431c27bfedf1453e6601c", kill_on_drop: false }`
[INFO] [stdout] f54d9f12e4d0e38dc4c6c5e763a7db29e48b5044295431c27bfedf1453e6601c