[INFO] fetching crate panic-semihosting 0.5.6...
[INFO] checking panic-semihosting-0.5.6 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate panic-semihosting 0.5.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate panic-semihosting 0.5.6 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate panic-semihosting 0.5.6
[INFO] finished tweaking crates.io crate panic-semihosting 0.5.6
[INFO] tweaked toml for crates.io crate panic-semihosting 0.5.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e757dd83c4c74e84e3655c8ed1d8ae646a4e25c1188b4f5290ddf8d5d2a0ae7
[INFO] running `Command { std: "docker" "start" "-a" "8e757dd83c4c74e84e3655c8ed1d8ae646a4e25c1188b4f5290ddf8d5d2a0ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e757dd83c4c74e84e3655c8ed1d8ae646a4e25c1188b4f5290ddf8d5d2a0ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e757dd83c4c74e84e3655c8ed1d8ae646a4e25c1188b4f5290ddf8d5d2a0ae7", kill_on_drop: false }`
[INFO] [stdout] 8e757dd83c4c74e84e3655c8ed1d8ae646a4e25c1188b4f5290ddf8d5d2a0ae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 547fe9b45055109d5144bcbb478f47f0f943080c99bef09f1ae61e49f957f3b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "547fe9b45055109d5144bcbb478f47f0f943080c99bef09f1ae61e49f957f3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking panic-semihosting v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "547fe9b45055109d5144bcbb478f47f0f943080c99bef09f1ae61e49f957f3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547fe9b45055109d5144bcbb478f47f0f943080c99bef09f1ae61e49f957f3b7", kill_on_drop: false }`
[INFO] [stdout] 547fe9b45055109d5144bcbb478f47f0f943080c99bef09f1ae61e49f957f3b7