[INFO] fetching crate panic-rtt-target 0.1.2...
[INFO] checking panic-rtt-target-0.1.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate panic-rtt-target 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate panic-rtt-target 0.1.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-rtt-target 0.1.2
[INFO] finished tweaking crates.io crate panic-rtt-target 0.1.2
[INFO] tweaked toml for crates.io crate panic-rtt-target 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages
[INFO] [stderr]       Adding bare-metal v0.2.5 (latest: v1.0.0)
[INFO] [stderr]       Adding bitfield v0.13.2 (latest: v0.14.0)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding rtt-target v0.3.1 (latest: v0.5.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 636c3d8c6ebf827a0905ae1c455b7d230e9c1adf22358e1582535f2a630ac3ed
[INFO] running `Command { std: "docker" "start" "-a" "636c3d8c6ebf827a0905ae1c455b7d230e9c1adf22358e1582535f2a630ac3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "636c3d8c6ebf827a0905ae1c455b7d230e9c1adf22358e1582535f2a630ac3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636c3d8c6ebf827a0905ae1c455b7d230e9c1adf22358e1582535f2a630ac3ed", kill_on_drop: false }`
[INFO] [stdout] 636c3d8c6ebf827a0905ae1c455b7d230e9c1adf22358e1582535f2a630ac3ed
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b66cb6e2f04f83c96a1ca377bf035068184ed9b971d216c8ca8c129d9462d96
[INFO] running `Command { std: "docker" "start" "-a" "7b66cb6e2f04f83c96a1ca377bf035068184ed9b971d216c8ca8c129d9462d96", kill_on_drop: false }`
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.
[INFO] [stdout]        Example:
[INFO] [stdout]          # Cargo.toml
[INFO] [stdout]          panic-rtt-target = { version = "x.y.z", features = ["cortex-m"] }
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | / compile_error!(concat!(
[INFO] [stdout] 74 | |     "You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.\r\n",
[INFO] [stdout] 75 | |     "Example:\r\n",
[INFO] [stdout] 76 | |     "  # Cargo.toml\r\n",
[INFO] [stdout] 77 | |     "  panic-rtt-target = { version = \"x.y.z\", features = [\"cortex-m\"] }\r\n"
[INFO] [stdout] 78 | | ));
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-rtt-target` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.
[INFO] [stdout]        Example:
[INFO] [stdout]          # Cargo.toml
[INFO] [stdout]          panic-rtt-target = { version = "x.y.z", features = ["cortex-m"] }
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | / compile_error!(concat!(
[INFO] [stdout] 74 | |     "You must specify a platform feature for panic-rtt-target, such as 'cortex-m'.\r\n",
[INFO] [stdout] 75 | |     "Example:\r\n",
[INFO] [stdout] 76 | |     "  # Cargo.toml\r\n",
[INFO] [stdout] 77 | |     "  panic-rtt-target = { version = \"x.y.z\", features = [\"cortex-m\"] }\r\n"
[INFO] [stdout] 78 | | ));
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `panic-rtt-target` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7b66cb6e2f04f83c96a1ca377bf035068184ed9b971d216c8ca8c129d9462d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b66cb6e2f04f83c96a1ca377bf035068184ed9b971d216c8ca8c129d9462d96", kill_on_drop: false }`
[INFO] [stdout] 7b66cb6e2f04f83c96a1ca377bf035068184ed9b971d216c8ca8c129d9462d96
[INFO] checking panic-rtt-target-0.1.2 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] extracting crate panic-rtt-target 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate panic-rtt-target 0.1.2 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-rtt-target 0.1.2
[INFO] finished tweaking crates.io crate panic-rtt-target 0.1.2
[INFO] tweaked toml for crates.io crate panic-rtt-target 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dfbdbe58ee8551ec71d2fe61e478575799b1c157d1b3ddcfe3f67e679870854
[INFO] running `Command { std: "docker" "start" "-a" "0dfbdbe58ee8551ec71d2fe61e478575799b1c157d1b3ddcfe3f67e679870854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dfbdbe58ee8551ec71d2fe61e478575799b1c157d1b3ddcfe3f67e679870854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfbdbe58ee8551ec71d2fe61e478575799b1c157d1b3ddcfe3f67e679870854", kill_on_drop: false }`
[INFO] [stdout] 0dfbdbe58ee8551ec71d2fe61e478575799b1c157d1b3ddcfe3f67e679870854
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25a27f8cc8e4fff48af7793538655b156d190780ad2ff2e832a4ce5558a6ed2
[INFO] running `Command { std: "docker" "start" "-a" "b25a27f8cc8e4fff48af7793538655b156d190780ad2ff2e832a4ce5558a6ed2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "b25a27f8cc8e4fff48af7793538655b156d190780ad2ff2e832a4ce5558a6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25a27f8cc8e4fff48af7793538655b156d190780ad2ff2e832a4ce5558a6ed2", kill_on_drop: false }`
[INFO] [stdout] b25a27f8cc8e4fff48af7793538655b156d190780ad2ff2e832a4ce5558a6ed2