[INFO] fetching crate probe-rs-rtt 0.12.0...
[INFO] testing probe-rs-rtt-0.12.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate probe-rs-rtt 0.12.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate probe-rs-rtt 0.12.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate probe-rs-rtt 0.12.0
[INFO] finished tweaking crates.io crate probe-rs-rtt 0.12.0
[INFO] tweaked toml for crates.io crate probe-rs-rtt 0.12.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71c87b19bb0a0b9b145fb7809f5f686221efbd49e2986201edde79a47ccf1e6c
[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" "71c87b19bb0a0b9b145fb7809f5f686221efbd49e2986201edde79a47ccf1e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c87b19bb0a0b9b145fb7809f5f686221efbd49e2986201edde79a47ccf1e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c87b19bb0a0b9b145fb7809f5f686221efbd49e2986201edde79a47ccf1e6c", kill_on_drop: false }`
[INFO] [stdout] 71c87b19bb0a0b9b145fb7809f5f686221efbd49e2986201edde79a47ccf1e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", 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] 73f091e688432c3244ab63e7b635214c4e80f5d055937544e7450e14c8fa7e38
[INFO] running `Command { std: "docker" "start" "-a" "73f091e688432c3244ab63e7b635214c4e80f5d055937544e7450e14c8fa7e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[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 linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ihex v3.0.0
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling svg v0.10.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]    Compiling hidapi v1.3.0
[INFO] [stderr]    Compiling jaylink v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling jep106 v0.2.6
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling probe-rs-target v0.12.0
[INFO] [stderr]    Compiling probe-rs v0.12.0
[INFO] [stderr]    Compiling probe-rs-rtt v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "73f091e688432c3244ab63e7b635214c4e80f5d055937544e7450e14c8fa7e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f091e688432c3244ab63e7b635214c4e80f5d055937544e7450e14c8fa7e38", kill_on_drop: false }`
[INFO] [stdout] 73f091e688432c3244ab63e7b635214c4e80f5d055937544e7450e14c8fa7e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd829438b4915348da6fb3f1a3b2f00059eabc73189694882874eebed14cb22
[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" "fdd829438b4915348da6fb3f1a3b2f00059eabc73189694882874eebed14cb22", kill_on_drop: false }`
[INFO] [stderr]    Compiling probe-rs-rtt v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "fdd829438b4915348da6fb3f1a3b2f00059eabc73189694882874eebed14cb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd829438b4915348da6fb3f1a3b2f00059eabc73189694882874eebed14cb22", kill_on_drop: false }`
[INFO] [stdout] fdd829438b4915348da6fb3f1a3b2f00059eabc73189694882874eebed14cb22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] 87ee2c5d6f8b0871ee55d5328713fef0125dc18045a0adf5154af94fd1803266
[INFO] running `Command { std: "docker" "start" "-a" "87ee2c5d6f8b0871ee55d5328713fef0125dc18045a0adf5154af94fd1803266", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/probe_rs_rtt-2cca3d3b26542955)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests probe-rs-rtt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87ee2c5d6f8b0871ee55d5328713fef0125dc18045a0adf5154af94fd1803266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ee2c5d6f8b0871ee55d5328713fef0125dc18045a0adf5154af94fd1803266", kill_on_drop: false }`
[INFO] [stdout] 87ee2c5d6f8b0871ee55d5328713fef0125dc18045a0adf5154af94fd1803266