[INFO] fetching crate ahrs 0.2.2...
[INFO] checking ahrs-0.2.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate ahrs 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ahrs 0.2.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ahrs 0.2.2
[INFO] finished tweaking crates.io crate ahrs 0.2.2
[INFO] tweaked toml for crates.io crate ahrs 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 900f9d9b7886725becca68bc9595600190efbebb092aae905a2b8e32f894e91a
[INFO] running `Command { std: "docker" "start" "-a" "900f9d9b7886725becca68bc9595600190efbebb092aae905a2b8e32f894e91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "900f9d9b7886725becca68bc9595600190efbebb092aae905a2b8e32f894e91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900f9d9b7886725becca68bc9595600190efbebb092aae905a2b8e32f894e91a", kill_on_drop: false }`
[INFO] [stdout] 900f9d9b7886725becca68bc9595600190efbebb092aae905a2b8e32f894e91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b972ec43012c62c1082fa585c9ab13844a3f839fbb0c75567915c6551dd325
[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" "27b972ec43012c62c1082fa585c9ab13844a3f839fbb0c75567915c6551dd325", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking ahrs v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 57 | bench_ahrs!(_bench_madgwick_update,           Madgwick, update,     1);
[INFO] [stdout]    | ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 58 | bench_ahrs!(_bench_madgwick_update_x1000,     Madgwick, update,     1000);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 59 | bench_ahrs!(_bench_madgwick_update_imu,       Madgwick, update_imu, 1);
[INFO] [stdout]    | ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 60 | bench_ahrs!(_bench_madgwick_update_imu_x1000, Madgwick, update_imu, 1000);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 61 | bench_ahrs!(_bench_mahony_update,             Mahony,   update,     1);
[INFO] [stdout]    | ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 62 | bench_ahrs!(_bench_mahony_update_x1000,       Mahony,   update,     1000);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 63 | bench_ahrs!(_bench_mahony_update_imu,         Mahony,   update_imu, 1);
[INFO] [stdout]    | ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[INFO] [stdout]   --> benches/ahrs.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |             let mut rng = rand::thread_rng();
[INFO] [stdout]    |                                 ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] ...
[INFO] [stdout] 64 | bench_ahrs!(_bench_mahony_update_imu_x1000,   Mahony,   update_imu, 1000);
[INFO] [stdout]    | -------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> benches/ahrs.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::{Rng};
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahrs`.
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "27b972ec43012c62c1082fa585c9ab13844a3f839fbb0c75567915c6551dd325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b972ec43012c62c1082fa585c9ab13844a3f839fbb0c75567915c6551dd325", kill_on_drop: false }`
[INFO] [stdout] 27b972ec43012c62c1082fa585c9ab13844a3f839fbb0c75567915c6551dd325
