[INFO] fetching crate authenticator 0.3.1...
[INFO] testing authenticator-0.3.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate authenticator 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate authenticator 0.3.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate authenticator 0.3.1
[INFO] finished tweaking crates.io crate authenticator 0.3.1
[INFO] tweaked toml for crates.io crate authenticator 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate authenticator 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8bba4bc3fef4a34dcd2e73b5f2d65ccb84bfa141878c070a0d67cb317d94d4f
[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" "a8bba4bc3fef4a34dcd2e73b5f2d65ccb84bfa141878c070a0d67cb317d94d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8bba4bc3fef4a34dcd2e73b5f2d65ccb84bfa141878c070a0d67cb317d94d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bba4bc3fef4a34dcd2e73b5f2d65ccb84bfa141878c070a0d67cb317d94d4f", kill_on_drop: false }`
[INFO] [stdout] a8bba4bc3fef4a34dcd2e73b5f2d65ccb84bfa141878c070a0d67cb317d94d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3342e1c30f8e065aebde935e3831b274ef3909cdcf2e23df19b6f02e75a7fdf
[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" "d3342e1c30f8e065aebde935e3831b274ef3909cdcf2e23df19b6f02e75a7fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling authenticator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling runloop v0.1.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "d3342e1c30f8e065aebde935e3831b274ef3909cdcf2e23df19b6f02e75a7fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3342e1c30f8e065aebde935e3831b274ef3909cdcf2e23df19b6f02e75a7fdf", kill_on_drop: false }`
[INFO] [stdout] d3342e1c30f8e065aebde935e3831b274ef3909cdcf2e23df19b6f02e75a7fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ab37763e67a8dbeb5b83696ce4128382d188f224e8c8a6ebfd5602d07240c9
[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" "f5ab37763e67a8dbeb5b83696ce4128382d188f224e8c8a6ebfd5602d07240c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling authenticator v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/main.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 56 |         Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "f5ab37763e67a8dbeb5b83696ce4128382d188f224e8c8a6ebfd5602d07240c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ab37763e67a8dbeb5b83696ce4128382d188f224e8c8a6ebfd5602d07240c9", kill_on_drop: false }`
[INFO] [stdout] f5ab37763e67a8dbeb5b83696ce4128382d188f224e8c8a6ebfd5602d07240c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f5dfdf62158a58c82c7e3cf7d1d0f4e4cbaa9b9681c76d81df990cc4f4afc91
[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" "1f5dfdf62158a58c82c7e3cf7d1d0f4e4cbaa9b9681c76d81df990cc4f4afc91", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 17 tests
[INFO] [stderr]   --> examples/main.rs:56:26
[INFO] [stdout] test statecallback::tests::test_statecallback_is_single_use ... ok
[INFO] [stderr]    |
[INFO] [stdout] test statecallback::tests::test_statecallback_observer_is_single_use ... ok
[INFO] [stderr] 56 |         Err(f) => panic!(f.to_string()),
[INFO] [stdout] test statecallback::tests::test_statecallback_observer_only_runs_for_completing_callback ... ok
[INFO] [stderr]    |                          ^^^^^^^^^^^^^
[INFO] [stdout] test statecallback::tests::test_statecallback_observer_unclonable ... ok
[INFO] [stderr]    |
[INFO] [stdout] test u2fprotocol::tests::test_get_property ... ok
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout] test authenticatorservice::tests::test_cancellation_register ... ok
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] test u2fprotocol::tests::test_init_device ... ok
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stdout] test authenticatorservice::tests::test_no_challenge ... ok
[INFO] [stderr]    |
[INFO] [stdout] test u2fprotocol::tests::test_sendapdu ... ok
[INFO] [stderr] 56 |         Err(f) => panic!("{}", f.to_string()),
[INFO] [stdout] test authenticatorservice::tests::test_no_transports ... ok
[INFO] [stderr]    |                          ^^^^^
[INFO] [stdout] test authenticatorservice::tests::test_no_keys ... ok
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stdout] test authenticatorservice::tests::test_no_appids ... ok
[INFO] [stderr]    |
[INFO] [stdout] test authenticatorservice::tests::test_large_keys ... ok
[INFO] [stderr] 56 |         Err(f) => std::panic::panic_any(f.to_string()),
[INFO] [stdout] test u2fprotocol::tests::test_sendrecv_multiple ... ok
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test statecallback::tests::test_statecallback_wait ... ok
[INFO] [stderr] 
[INFO] [stdout] test authenticatorservice::tests::test_cancellation_race ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/authenticator-031f94a1b7b99dba)
[INFO] [stdout] test authenticatorservice::tests::test_cancellation_sign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests authenticator
[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] running `Command { std: "docker" "inspect" "1f5dfdf62158a58c82c7e3cf7d1d0f4e4cbaa9b9681c76d81df990cc4f4afc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5dfdf62158a58c82c7e3cf7d1d0f4e4cbaa9b9681c76d81df990cc4f4afc91", kill_on_drop: false }`
[INFO] [stdout] 1f5dfdf62158a58c82c7e3cf7d1d0f4e4cbaa9b9681c76d81df990cc4f4afc91
