[INFO] fetching crate mfrc522 0.7.0...
[INFO] checking mfrc522-0.7.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125107-1
[INFO] extracting crate mfrc522 0.7.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mfrc522 0.7.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfrc522 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mfrc522 0.7.0
[INFO] tweaked toml for crates.io crate mfrc522 0.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mfrc522 0.7.0 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded unescaper v0.1.3
[INFO] [stderr]   Downloaded spidev v0.6.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded linux-embedded-hal v0.4.0
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded embedded-hal-bus v0.1.0
[INFO] [stderr]   Downloaded anyhow v1.0.79
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded serialport v4.3.0
[INFO] [stderr]   Downloaded nix v0.27.1
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded nix v0.23.2
[INFO] [stderr]   Downloaded libc v0.2.152
[INFO] [stderr]   Downloaded embedded-hal-mock v0.10.0
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] [stderr]   Downloaded semver v1.0.21
[INFO] [stderr]   Downloaded spin v0.9.8
[INFO] [stderr]   Downloaded io-kit-sys v0.4.0
[INFO] [stderr]   Downloaded mach2 v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded gpio-cdev v0.6.0
[INFO] [stderr]   Downloaded i2cdev v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea745b543186e2fb4b549c733f2df642b111a1287f45569589e7ea74b5585f37
[INFO] running `Command { std: "docker" "start" "-a" "ea745b543186e2fb4b549c733f2df642b111a1287f45569589e7ea74b5585f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea745b543186e2fb4b549c733f2df642b111a1287f45569589e7ea74b5585f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea745b543186e2fb4b549c733f2df642b111a1287f45569589e7ea74b5585f37", kill_on_drop: false }`
[INFO] [stdout] ea745b543186e2fb4b549c733f2df642b111a1287f45569589e7ea74b5585f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2160e2a24d598a75c9f2fd1f0d0810686ee2741ccfd591dc05bbf1bdee05a2de
[INFO] running `Command { std: "docker" "start" "-a" "2160e2a24d598a75c9f2fd1f0d0810686ee2741ccfd591dc05bbf1bdee05a2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling embedded-hal-bus v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking mfrc522 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking gpio-cdev v0.6.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking embedded-hal-mock v0.10.0
[INFO] [stderr]     Checking unescaper v0.1.3
[INFO] [stderr]     Checking sysfs_gpio v0.6.1
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking spidev v0.6.0
[INFO] [stderr]     Checking i2cdev v0.6.0
[INFO] [stderr]     Checking linux-embedded-hal v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "2160e2a24d598a75c9f2fd1f0d0810686ee2741ccfd591dc05bbf1bdee05a2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2160e2a24d598a75c9f2fd1f0d0810686ee2741ccfd591dc05bbf1bdee05a2de", kill_on_drop: false }`
[INFO] [stdout] 2160e2a24d598a75c9f2fd1f0d0810686ee2741ccfd591dc05bbf1bdee05a2de
[INFO] checking mfrc522-0.7.0 against try#341f4bdd14d8eff23af8ad0599c0e6f42d805538 for pr-125107-1
[INFO] extracting crate mfrc522 0.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mfrc522 0.7.0 on toolchain 341f4bdd14d8eff23af8ad0599c0e6f42d805538
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+341f4bdd14d8eff23af8ad0599c0e6f42d805538" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mfrc522 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mfrc522 0.7.0
[INFO] tweaked toml for crates.io crate mfrc522 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate mfrc522 0.7.0 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" "+341f4bdd14d8eff23af8ad0599c0e6f42d805538" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+341f4bdd14d8eff23af8ad0599c0e6f42d805538" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4d09dac4eba15fe3171cf615a3ff52cb2fb0a219a65052c53ded3be190d193
[INFO] running `Command { std: "docker" "start" "-a" "9f4d09dac4eba15fe3171cf615a3ff52cb2fb0a219a65052c53ded3be190d193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4d09dac4eba15fe3171cf615a3ff52cb2fb0a219a65052c53ded3be190d193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4d09dac4eba15fe3171cf615a3ff52cb2fb0a219a65052c53ded3be190d193", kill_on_drop: false }`
[INFO] [stdout] 9f4d09dac4eba15fe3171cf615a3ff52cb2fb0a219a65052c53ded3be190d193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+341f4bdd14d8eff23af8ad0599c0e6f42d805538" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60cdc6dc5a66881c9d22436eb513388dc73232746026bac87e00e89322055e8
[INFO] running `Command { std: "docker" "start" "-a" "e60cdc6dc5a66881c9d22436eb513388dc73232746026bac87e00e89322055e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal-bus v0.1.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking mfrc522 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking gpio-cdev v0.6.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking embedded-hal-mock v0.10.0
[INFO] [stderr]     Checking unescaper v0.1.3
[INFO] [stderr]     Checking sysfs_gpio v0.6.1
[INFO] [stderr]     Checking spidev v0.6.0
[INFO] [stderr]     Checking i2cdev v0.6.0
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking linux-embedded-hal v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.54s
[INFO] running `Command { std: "docker" "inspect" "e60cdc6dc5a66881c9d22436eb513388dc73232746026bac87e00e89322055e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60cdc6dc5a66881c9d22436eb513388dc73232746026bac87e00e89322055e8", kill_on_drop: false }`
[INFO] [stdout] e60cdc6dc5a66881c9d22436eb513388dc73232746026bac87e00e89322055e8