[INFO] fetching crate nightlight 0.2.0...
[INFO] testing nightlight-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nightlight 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate nightlight 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nightlight 0.2.0
[INFO] finished tweaking crates.io crate nightlight 0.2.0
[INFO] tweaked toml for crates.io crate nightlight 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate nightlight 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0c018e6e6d820099f5a244679dea0af6e4869f8b1d76ff5eb5095a0b32b3429
[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" "c0c018e6e6d820099f5a244679dea0af6e4869f8b1d76ff5eb5095a0b32b3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c018e6e6d820099f5a244679dea0af6e4869f8b1d76ff5eb5095a0b32b3429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c018e6e6d820099f5a244679dea0af6e4869f8b1d76ff5eb5095a0b32b3429", kill_on_drop: false }`
[INFO] [stdout] c0c018e6e6d820099f5a244679dea0af6e4869f8b1d76ff5eb5095a0b32b3429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b74033b9afa86ef460fa7017375902abaa66279b074d136fa967c4e919aafdd
[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" "9b74033b9afa86ef460fa7017375902abaa66279b074d136fa967c4e919aafdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling standback v0.2.6
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling nightlight v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling time v0.2.10
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling glib v0.9.3
[INFO] [stdout] warning: unused import: `c_float`
[INFO] [stdout]  --> src/linux/mod.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_float, c_int};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_24_hr`
[INFO] [stdout]  --> src/linux/locale.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     is_24_hr: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "9b74033b9afa86ef460fa7017375902abaa66279b074d136fa967c4e919aafdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b74033b9afa86ef460fa7017375902abaa66279b074d136fa967c4e919aafdd", kill_on_drop: false }`
[INFO] [stdout] 9b74033b9afa86ef460fa7017375902abaa66279b074d136fa967c4e919aafdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fbc9c87500e8b6338f3cce67efd98c73b1c01a396064c125df273af0c894138
[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" "0fbc9c87500e8b6338f3cce67efd98c73b1c01a396064c125df273af0c894138", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `c_float`
[INFO] [stdout]  --> src/linux/mod.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_float, c_int};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nightlight v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `is_24_hr`
[INFO] [stdout]  --> src/linux/locale.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     is_24_hr: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_float`
[INFO] [stdout]  --> src/linux/mod.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::os::raw::{c_float, c_int};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_24_hr`
[INFO] [stdout]  --> src/linux/locale.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     is_24_hr: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0fbc9c87500e8b6338f3cce67efd98c73b1c01a396064c125df273af0c894138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbc9c87500e8b6338f3cce67efd98c73b1c01a396064c125df273af0c894138", kill_on_drop: false }`
[INFO] [stdout] 0fbc9c87500e8b6338f3cce67efd98c73b1c01a396064c125df273af0c894138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa41182afc4ab2bcd463a5bc9a67e4a972103b86d7a0d8c20f74b87ff1b02a6f
[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" "aa41182afc4ab2bcd463a5bc9a67e4a972103b86d7a0d8c20f74b87ff1b02a6f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `c_float`
[INFO] [stderr]  --> src/linux/mod.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::raw::{c_float, c_int};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_24_hr`
[INFO] [stderr]  --> src/linux/locale.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     is_24_hr: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `c_float`
[INFO] [stderr]  --> src/linux/mod.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::os::raw::{c_float, c_int};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_24_hr`
[INFO] [stderr]  --> src/linux/locale.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     is_24_hr: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nightlight-923d282a33d50afe
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nightlight-2d16ecc80e4ba20d
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nightlight
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa41182afc4ab2bcd463a5bc9a67e4a972103b86d7a0d8c20f74b87ff1b02a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa41182afc4ab2bcd463a5bc9a67e4a972103b86d7a0d8c20f74b87ff1b02a6f", kill_on_drop: false }`
[INFO] [stdout] aa41182afc4ab2bcd463a5bc9a67e4a972103b86d7a0d8c20f74b87ff1b02a6f