[INFO] cloning repository https://github.com/vaibhavbafna5/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vaibhavbafna5/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaibhavbafna5%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaibhavbafna5%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a36a383e7a890cba4bcaf930b6fd130d68baf8a
[INFO] checking vaibhavbafna5/snake against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaibhavbafna5%2Fsnake" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vaibhavbafna5/snake 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] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/vaibhavbafna5/snake
[INFO] finished tweaking git repo https://github.com/vaibhavbafna5/snake
[INFO] tweaked toml for git repo https://github.com/vaibhavbafna5/snake written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vaibhavbafna5/snake 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 rtt-target v0.3.1
[INFO] [stderr]   Downloaded microbit-v2 v0.12.0
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded panic-rtt-target v0.1.2
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded nrf52833-hal v0.14.1
[INFO] [stderr]   Downloaded tiny-led-matrix v1.0.2
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded microbit v0.12.0
[INFO] [stderr]   Downloaded nrf-hal-common v0.14.1
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded fixed v1.26.0
[INFO] [stderr]   Downloaded nrf51-pac v0.10.1
[INFO] [stderr]   Downloaded lsm303agr v0.2.2
[INFO] [stderr]   Downloaded nrf51-hal v0.14.1
[INFO] [stderr]   Downloaded embedded-dma v0.1.2
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded half v2.4.0
[INFO] [stderr]   Downloaded critical-section v0.2.8
[INFO] [stderr]   Downloaded nrf-usbd v0.1.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded microbit-common v0.12.0
[INFO] [stderr]   Downloaded nrf52833-pac v0.10.1
[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] fd0cdce155f6bf5d1ac846a2f1ed84eba14d989cfa43d2c2d2a19807b6f08a5d
[INFO] running `Command { std: "docker" "start" "-a" "fd0cdce155f6bf5d1ac846a2f1ed84eba14d989cfa43d2c2d2a19807b6f08a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd0cdce155f6bf5d1ac846a2f1ed84eba14d989cfa43d2c2d2a19807b6f08a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0cdce155f6bf5d1ac846a2f1ed84eba14d989cfa43d2c2d2a19807b6f08a5d", kill_on_drop: false }`
[INFO] [stdout] fd0cdce155f6bf5d1ac846a2f1ed84eba14d989cfa43d2c2d2a19807b6f08a5d
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa8a7c06282170d59fa07468ace1131cf85efaa33529898c398bf13c01c76551
[INFO] running `Command { std: "docker" "start" "-a" "aa8a7c06282170d59fa07468ace1131cf85efaa33529898c398bf13c01c76551", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling i2c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking lsm303agr v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking rtt-target v0.3.1
[INFO] [stderr]     Checking panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use microbit::{
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::board::Board`, `microbit::display::blocking::Display`, `microbit::hal::Timer`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     board::Board,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     display::blocking::Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     hal::{prelude::*, Timer},
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use microbit::{
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `microbit::board::Board`, `microbit::display::blocking::Display`, `microbit::hal::Timer`
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     board::Board,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 10 |     display::blocking::Display,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |     hal::{prelude::*, Timer},
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]    --> src/main.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |     let board = microbit::Board::take().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `microbit`
[INFO] [stdout]    --> src/main.rs:308:17
[INFO] [stdout]     |
[INFO] [stdout] 308 |     let board = microbit::Board::take().unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ use of undeclared crate or module `microbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]    --> src/main.rs:328:46
[INFO] [stdout]     |
[INFO] [stdout] 328 |     let mut sensor = Lsm303agr::new_with_i2c(i2c);
[INFO] [stdout]     |                                              ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:366:27
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let serial_byte = serial.read();
[INFO] [stdout]     |                           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]    --> src/main.rs:328:46
[INFO] [stdout]     |
[INFO] [stdout] 328 |     let mut sensor = Lsm303agr::new_with_i2c(i2c);
[INFO] [stdout]     |                                              ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `serial` in this scope
[INFO] [stdout]    --> src/main.rs:366:27
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let serial_byte = serial.read();
[INFO] [stdout]     |                           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0152]: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_rtt_target` (which `i2c` depends on)
[INFO] [stdout]   = note: first definition in `panic_rtt_target` loaded from /opt/rustwide/target/debug/deps/libpanic_rtt_target-05084adf51ab1de2.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/506512391b1a75ae450d36c9420978402a91abcc/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6701759d8343e913.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i2c` (bin "i2c" test) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `i2c` (bin "i2c") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa8a7c06282170d59fa07468ace1131cf85efaa33529898c398bf13c01c76551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a7c06282170d59fa07468ace1131cf85efaa33529898c398bf13c01c76551", kill_on_drop: false }`
[INFO] [stdout] aa8a7c06282170d59fa07468ace1131cf85efaa33529898c398bf13c01c76551
[INFO] checking vaibhavbafna5/snake against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaibhavbafna5%2Fsnake" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vaibhavbafna5/snake on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/vaibhavbafna5/snake
[INFO] finished tweaking git repo https://github.com/vaibhavbafna5/snake
[INFO] tweaked toml for git repo https://github.com/vaibhavbafna5/snake written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vaibhavbafna5/snake 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" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 555d7c752c83bdec98ab98f179753c15118846b3a329788a79a81cf086e42c3f
[INFO] running `Command { std: "docker" "start" "-a" "555d7c752c83bdec98ab98f179753c15118846b3a329788a79a81cf086e42c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555d7c752c83bdec98ab98f179753c15118846b3a329788a79a81cf086e42c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555d7c752c83bdec98ab98f179753c15118846b3a329788a79a81cf086e42c3f", kill_on_drop: false }`
[INFO] [stdout] 555d7c752c83bdec98ab98f179753c15118846b3a329788a79a81cf086e42c3f
[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=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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f87b6e525f1f6ee88fb06030df556b3437c5d394ecdc2001234d577cdffb372
[INFO] running `Command { std: "docker" "start" "-a" "6f87b6e525f1f6ee88fb06030df556b3437c5d394ecdc2001234d577cdffb372", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "6f87b6e525f1f6ee88fb06030df556b3437c5d394ecdc2001234d577cdffb372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f87b6e525f1f6ee88fb06030df556b3437c5d394ecdc2001234d577cdffb372", kill_on_drop: false }`
[INFO] [stdout] 6f87b6e525f1f6ee88fb06030df556b3437c5d394ecdc2001234d577cdffb372