[INFO] cloning repository https://github.com/IGI-111/contrafibular
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IGI-111/contrafibular" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fcontrafibular", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fcontrafibular'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d481ea7708add0793d37596450d607bbc458ac6
[INFO] testing IGI-111/contrafibular against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIGI-111%2Fcontrafibular" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IGI-111/contrafibular on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IGI-111/contrafibular
[INFO] finished tweaking git repo https://github.com/IGI-111/contrafibular
[INFO] tweaked toml for git repo https://github.com/IGI-111/contrafibular written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/IGI-111/contrafibular already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bc0c1d4651079458cea14925d6fea4e5afcaabb0e2bbacbd6b230c76f8e2729
[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" "7bc0c1d4651079458cea14925d6fea4e5afcaabb0e2bbacbd6b230c76f8e2729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc0c1d4651079458cea14925d6fea4e5afcaabb0e2bbacbd6b230c76f8e2729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc0c1d4651079458cea14925d6fea4e5afcaabb0e2bbacbd6b230c76f8e2729", kill_on_drop: false }`
[INFO] [stdout] 7bc0c1d4651079458cea14925d6fea4e5afcaabb0e2bbacbd6b230c76f8e2729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 725e0307ea0b9379d5f674ae7059cc8e3bc56faad9df0433694d16cb2d9b77ec
[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" "725e0307ea0b9379d5f674ae7059cc8e3bc56faad9df0433694d16cb2d9b77ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling contrafibular v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/state.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 n @ b'0'...b'9' => {
[INFO] [stdout]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "725e0307ea0b9379d5f674ae7059cc8e3bc56faad9df0433694d16cb2d9b77ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725e0307ea0b9379d5f674ae7059cc8e3bc56faad9df0433694d16cb2d9b77ec", kill_on_drop: false }`
[INFO] [stdout] 725e0307ea0b9379d5f674ae7059cc8e3bc56faad9df0433694d16cb2d9b77ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cacbe62640a3f68ab5c6544d9f0db84e2c081f5e367ef60c6a6e2ed32e6cc98a
[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" "cacbe62640a3f68ab5c6544d9f0db84e2c081f5e367ef60c6a6e2ed32e6cc98a", kill_on_drop: false }`
[INFO] [stderr]    Compiling contrafibular v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/state.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 n @ b'0'...b'9' => {
[INFO] [stdout]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]  --> src/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / error_chain! {
[INFO] [stdout] 2 | |     foreign_links {
[INFO] [stdout] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stdout] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stdout] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stdout] 6 | |     }
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "cacbe62640a3f68ab5c6544d9f0db84e2c081f5e367ef60c6a6e2ed32e6cc98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cacbe62640a3f68ab5c6544d9f0db84e2c081f5e367ef60c6a6e2ed32e6cc98a", kill_on_drop: false }`
[INFO] [stdout] cacbe62640a3f68ab5c6544d9f0db84e2c081f5e367ef60c6a6e2ed32e6cc98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09e26093f02c748e4ed21ab45ea347c012a56382f6125868c04869c819a1e214
[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" "09e26093f02c748e4ed21ab45ea347c012a56382f6125868c04869c819a1e214", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/state.rs:79:25
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 79 |                 n @ b'0'...b'9' => {
[INFO] [stdout] 
[INFO] [stderr]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]  --> src/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] 6 | |     }
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]  --> src/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] 6 | |     }
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Fmt(::std::fmt::Error);
[INFO] [stderr] 4 | |         Io(::std::io::Error) #[cfg(unix)];
[INFO] [stderr] 5 | |         Utf8(::std::str::Utf8Error);
[INFO] [stderr] 6 | |     }
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `impl_error_chain_processed` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/contrafibular-f679989521d345d7)
[INFO] running `Command { std: "docker" "inspect" "09e26093f02c748e4ed21ab45ea347c012a56382f6125868c04869c819a1e214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e26093f02c748e4ed21ab45ea347c012a56382f6125868c04869c819a1e214", kill_on_drop: false }`
[INFO] [stdout] 09e26093f02c748e4ed21ab45ea347c012a56382f6125868c04869c819a1e214