[INFO] fetching crate panic_rtt 0.3.0...
[INFO] checking panic_rtt-0.3.0 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate panic_rtt 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate panic_rtt 0.3.0 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic_rtt 0.3.0
[INFO] finished tweaking crates.io crate panic_rtt 0.3.0
[INFO] tweaked toml for crates.io crate panic_rtt 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding aligned v0.3.5 (available: v0.4.2)
[INFO] [stderr]       Adding as-slice v0.1.5 (available: v0.2.1)
[INFO] [stderr]       Adding bare-metal v0.2.5 (available: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (available: v0.17.0)
[INFO] [stderr]       Adding cortex-m v0.6.7 (available: v0.7.7)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (available: v1.1.0)
[INFO] [stderr]       Adding generic-array v0.13.3 (available: v1.1.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c70b35b7a2d4154c1affa3e9d1e736690d89cb723744283da368c25f90dbebea
[INFO] running `Command { std: "docker" "start" "-a" "c70b35b7a2d4154c1affa3e9d1e736690d89cb723744283da368c25f90dbebea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70b35b7a2d4154c1affa3e9d1e736690d89cb723744283da368c25f90dbebea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70b35b7a2d4154c1affa3e9d1e736690d89cb723744283da368c25f90dbebea", kill_on_drop: false }`
[INFO] [stdout] c70b35b7a2d4154c1affa3e9d1e736690d89cb723744283da368c25f90dbebea
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6db1c81ac6b0f5bb9dca83724a02c8ef8d0b73ae87dbb889fb3c0c259bd398a
[INFO] running `Command { std: "docker" "start" "-a" "c6db1c81ac6b0f5bb9dca83724a02c8ef8d0b73ae87dbb889fb3c0c259bd398a", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "c6db1c81ac6b0f5bb9dca83724a02c8ef8d0b73ae87dbb889fb3c0c259bd398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6db1c81ac6b0f5bb9dca83724a02c8ef8d0b73ae87dbb889fb3c0c259bd398a", kill_on_drop: false }`
[INFO] [stdout] c6db1c81ac6b0f5bb9dca83724a02c8ef8d0b73ae87dbb889fb3c0c259bd398a