[INFO] cloning repository https://github.com/rep-nop/bismuth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rep-nop/bismuth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismuth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismuth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2aecd8cbf7bd5fbf2a84fbf9fb76edf215dd3780
[INFO] checking rep-nop/bismuth against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismuth" "/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/rep-nop/bismuth 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/rep-nop/bismuth
[INFO] finished tweaking git repo https://github.com/rep-nop/bismuth
[INFO] tweaked toml for git repo https://github.com/rep-nop/bismuth written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rep-nop/bismuth 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.2
[INFO] [stderr]   Downloaded panic-itm v0.4.0
[INFO] [stderr]   Downloaded bare-metal v0.2.4
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m v0.5.8
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.6
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 051ea87869bf18736e0cb2337340c373bdd0c643b4f22f3f7b9c77da494d35d3
[INFO] running `Command { std: "docker" "start" "-a" "051ea87869bf18736e0cb2337340c373bdd0c643b4f22f3f7b9c77da494d35d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051ea87869bf18736e0cb2337340c373bdd0c643b4f22f3f7b9c77da494d35d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051ea87869bf18736e0cb2337340c373bdd0c643b4f22f3f7b9c77da494d35d3", kill_on_drop: false }`
[INFO] [stdout] 051ea87869bf18736e0cb2337340c373bdd0c643b4f22f3f7b9c77da494d35d3
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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] f971858cf65f2c06a98817ee4fa663a53f148619dff48c558d093ca9a87d1c79
[INFO] running `Command { std: "docker" "start" "-a" "f971858cf65f2c06a98817ee4fa663a53f148619dff48c558d093ca9a87d1c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.6
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.2
[INFO] [stderr]    Compiling bismuth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking panic-itm v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.4
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bismuth` (bin "bismuth") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f971858cf65f2c06a98817ee4fa663a53f148619dff48c558d093ca9a87d1c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f971858cf65f2c06a98817ee4fa663a53f148619dff48c558d093ca9a87d1c79", kill_on_drop: false }`
[INFO] [stdout] f971858cf65f2c06a98817ee4fa663a53f148619dff48c558d093ca9a87d1c79
[INFO] checking rep-nop/bismuth against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frep-nop%2Fbismuth" "/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/rep-nop/bismuth 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/rep-nop/bismuth
[INFO] finished tweaking git repo https://github.com/rep-nop/bismuth
[INFO] tweaked toml for git repo https://github.com/rep-nop/bismuth written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rep-nop/bismuth 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6575ed275b9e259d8d436386a75d45e16c3b85927fce069c229fc7f7e7839af1
[INFO] running `Command { std: "docker" "start" "-a" "6575ed275b9e259d8d436386a75d45e16c3b85927fce069c229fc7f7e7839af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6575ed275b9e259d8d436386a75d45e16c3b85927fce069c229fc7f7e7839af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6575ed275b9e259d8d436386a75d45e16c3b85927fce069c229fc7f7e7839af1", kill_on_drop: false }`
[INFO] [stdout] 6575ed275b9e259d8d436386a75d45e16c3b85927fce069c229fc7f7e7839af1
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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] d830d823c42aae5c8e2ae20bf6357706fd5e89f01b7a0f6ee95b6c2b79b8abbd
[INFO] running `Command { std: "docker" "start" "-a" "d830d823c42aae5c8e2ae20bf6357706fd5e89f01b7a0f6ee95b6c2b79b8abbd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "d830d823c42aae5c8e2ae20bf6357706fd5e89f01b7a0f6ee95b6c2b79b8abbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d830d823c42aae5c8e2ae20bf6357706fd5e89f01b7a0f6ee95b6c2b79b8abbd", kill_on_drop: false }`
[INFO] [stdout] d830d823c42aae5c8e2ae20bf6357706fd5e89f01b7a0f6ee95b6c2b79b8abbd