[INFO] fetching crate timber 0.1.0...
[INFO] testing timber-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate timber 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate timber 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timber 0.1.0
[INFO] finished tweaking crates.io crate timber 0.1.0
[INFO] tweaked toml for crates.io crate timber 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87064d38a0ee6c1b80410cb2cf2b26dddcbe092775b8932c6b19e1523d8dbd8
[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" "c87064d38a0ee6c1b80410cb2cf2b26dddcbe092775b8932c6b19e1523d8dbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87064d38a0ee6c1b80410cb2cf2b26dddcbe092775b8932c6b19e1523d8dbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87064d38a0ee6c1b80410cb2cf2b26dddcbe092775b8932c6b19e1523d8dbd8", kill_on_drop: false }`
[INFO] [stdout] c87064d38a0ee6c1b80410cb2cf2b26dddcbe092775b8932c6b19e1523d8dbd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb993edfea61c0b70276281d14d3a762d0a7550e14de165abf595f8c62ffe03e
[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" "cb993edfea61c0b70276281d14d3a762d0a7550e14de165abf595f8c62ffe03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling timber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> timber.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, Once, ONCE_INIT};
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> timber.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |     static ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "cb993edfea61c0b70276281d14d3a762d0a7550e14de165abf595f8c62ffe03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb993edfea61c0b70276281d14d3a762d0a7550e14de165abf595f8c62ffe03e", kill_on_drop: false }`
[INFO] [stdout] cb993edfea61c0b70276281d14d3a762d0a7550e14de165abf595f8c62ffe03e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 57ea2aec4d58a1296cda3c907bbc74c6fafe97a9c78303ca63914630dbcf3c6d
[INFO] running `Command { std: "docker" "start" "-a" "57ea2aec4d58a1296cda3c907bbc74c6fafe97a9c78303ca63914630dbcf3c6d", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> timber.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, Once, ONCE_INIT};
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> timber.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |     static ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling timber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> timber.rs:61:60
[INFO] [stdout]    |
[INFO] [stdout] 61 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, Once, ONCE_INIT};
[INFO] [stdout]    |                                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> timber.rs:152:25
[INFO] [stdout]     |
[INFO] [stdout] 152 |     static ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "57ea2aec4d58a1296cda3c907bbc74c6fafe97a9c78303ca63914630dbcf3c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ea2aec4d58a1296cda3c907bbc74c6fafe97a9c78303ca63914630dbcf3c6d", kill_on_drop: false }`
[INFO] [stdout] 57ea2aec4d58a1296cda3c907bbc74c6fafe97a9c78303ca63914630dbcf3c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 50f934c55056f814a7c58e119af4fa58651d79ecc1a433466f79a2682616fe04
[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" "50f934c55056f814a7c58e119af4fa58651d79ecc1a433466f79a2682616fe04", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> timber.rs:61:60
[INFO] [stderr]    |
[INFO] [stderr] 61 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, Once, ONCE_INIT};
[INFO] [stderr]    |                                                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> timber.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |     static ONCE: Once = ONCE_INIT;
[INFO] [stderr]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> timber.rs:61:60
[INFO] [stderr]    |
[INFO] [stderr] 61 | use std::sync::{Arc, Mutex, MutexGuard, PoisonError, Once, ONCE_INIT};
[INFO] [stderr]    |                                                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> timber.rs:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |     static ONCE: Once = ONCE_INIT;
[INFO] [stderr]     |                         ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/timber-f3e3eb4676634980
[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 timber
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test timber.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50f934c55056f814a7c58e119af4fa58651d79ecc1a433466f79a2682616fe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f934c55056f814a7c58e119af4fa58651d79ecc1a433466f79a2682616fe04", kill_on_drop: false }`
[INFO] [stdout] 50f934c55056f814a7c58e119af4fa58651d79ecc1a433466f79a2682616fe04