[INFO] cloning repository https://github.com/xd009642/rtt-file-logger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xd009642/rtt-file-logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Frtt-file-logger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Frtt-file-logger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 536cbb1799b6f75a99e7f1140068eb46fd53e40d
[INFO] checking xd009642/rtt-file-logger against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxd009642%2Frtt-file-logger" "/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/xd009642/rtt-file-logger on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xd009642/rtt-file-logger
[INFO] finished tweaking git repo https://github.com/xd009642/rtt-file-logger
[INFO] tweaked toml for git repo https://github.com/xd009642/rtt-file-logger written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xd009642/rtt-file-logger 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded probe-rs-rtt v0.12.0
[INFO] [stderr]   Downloaded enum-primitive-derive v0.2.2
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded rusb v0.8.1
[INFO] [stderr]   Downloaded funty v1.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.48
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] [stderr]   Downloaded wyz v0.4.0
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded goblin v0.4.3
[INFO] [stderr]   Downloaded hidapi v1.3.0
[INFO] [stderr]   Downloaded libusb1-sys v0.5.0
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] [stderr]   Downloaded jaylink v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.2
[INFO] [stderr]   Downloaded ihex v3.0.0
[INFO] [stderr]   Downloaded jep106 v0.2.6
[INFO] [stderr]   Downloaded probe-rs-target v0.12.0
[INFO] [stderr]   Downloaded svg v0.10.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.18
[INFO] [stderr]   Downloaded probe-rs v0.12.0
[INFO] [stderr]   Downloaded bitfield v0.13.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0bcca5f75e2be4c3f15903866d90a79b67f4f259619729784ba12ac3a0e16df
[INFO] running `Command { std: "docker" "start" "-a" "b0bcca5f75e2be4c3f15903866d90a79b67f4f259619729784ba12ac3a0e16df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bcca5f75e2be4c3f15903866d90a79b67f4f259619729784ba12ac3a0e16df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bcca5f75e2be4c3f15903866d90a79b67f4f259619729784ba12ac3a0e16df", kill_on_drop: false }`
[INFO] [stdout] b0bcca5f75e2be4c3f15903866d90a79b67f4f259619729784ba12ac3a0e16df
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a537834b5f3be112ee1c1dadd9a0d81058d5b19ed68ba43db395e411dc81d77c
[INFO] running `Command { std: "docker" "start" "-a" "a537834b5f3be112ee1c1dadd9a0d81058d5b19ed68ba43db395e411dc81d77c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking thousands v0.2.0
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking ihex v3.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling hidapi v1.3.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking jaylink v0.2.0
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking goblin v0.4.3
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.2
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking jep106 v0.2.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking probe-rs-target v0.12.0
[INFO] [stderr]    Compiling probe-rs v0.12.0
[INFO] [stderr]     Checking probe-rs-rtt v0.12.0
[INFO] [stderr]     Checking rtt-file-logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a537834b5f3be112ee1c1dadd9a0d81058d5b19ed68ba43db395e411dc81d77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a537834b5f3be112ee1c1dadd9a0d81058d5b19ed68ba43db395e411dc81d77c", kill_on_drop: false }`
[INFO] [stdout] a537834b5f3be112ee1c1dadd9a0d81058d5b19ed68ba43db395e411dc81d77c