[INFO] cloning repository https://github.com/mulkieran/failure-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mulkieran/failure-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmulkieran%2Ffailure-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmulkieran%2Ffailure-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02928f542dc5f88708e6a597fb7a649efc7cae38
[INFO] testing mulkieran/failure-tests against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmulkieran%2Ffailure-tests" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mulkieran/failure-tests on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mulkieran/failure-tests
[INFO] finished tweaking git repo https://github.com/mulkieran/failure-tests
[INFO] tweaked toml for git repo https://github.com/mulkieran/failure-tests written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mulkieran/failure-tests already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loopdev v0.2.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.1
[INFO] [stderr]   Downloaded timerfd v1.0.0
[INFO] [stderr]   Downloaded libdbus-sys v0.1.4
[INFO] [stderr]   Downloaded libmount v0.1.11
[INFO] [stderr]   Downloaded devicemapper v0.26.0
[INFO] [stderr]   Downloaded dbus v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10cea9876c13d93047ddbf5ca47cbfc9836f2f646044340237c18f6e930f24c
[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" "c10cea9876c13d93047ddbf5ca47cbfc9836f2f646044340237c18f6e930f24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10cea9876c13d93047ddbf5ca47cbfc9836f2f646044340237c18f6e930f24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10cea9876c13d93047ddbf5ca47cbfc9836f2f646044340237c18f6e930f24c", kill_on_drop: false }`
[INFO] [stdout] c10cea9876c13d93047ddbf5ca47cbfc9836f2f646044340237c18f6e930f24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14e9ebe40f98ab14797efa19746c6131df02acbfe9d111e0a7ddd9a676bc4708
[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" "14e9ebe40f98ab14797efa19746c6131df02acbfe9d111e0a7ddd9a676bc4708", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling libdbus-sys v0.1.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling timerfd v1.0.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling dbus v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling libmount v0.1.11
[INFO] [stderr]    Compiling devicemapper v0.26.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling rust_project v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backtrace`
[INFO] [stdout]   --> src/library/errors.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use failure::{Backtrace, Error};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/library/errors.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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/library/errors.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |             StratisError::Udev(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/library/errors.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             StratisError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[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/library/errors.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 |             StratisError::Nix(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[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/library/errors.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |             StratisError::Utf8(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[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/library/errors.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |             StratisError::Serde(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[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/library/errors.rs:81:46
[INFO] [stdout]    |
[INFO] [stdout] 81 |             StratisError::DM(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `devicemapper as dm`
[INFO] [stdout]  --> src/bin/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use devicemapper as dm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `devicemapper::DmError`
[INFO] [stdout]   --> src/bin/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use devicemapper::DmError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "14e9ebe40f98ab14797efa19746c6131df02acbfe9d111e0a7ddd9a676bc4708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e9ebe40f98ab14797efa19746c6131df02acbfe9d111e0a7ddd9a676bc4708", kill_on_drop: false }`
[INFO] [stdout] 14e9ebe40f98ab14797efa19746c6131df02acbfe9d111e0a7ddd9a676bc4708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7420d988fab169e010a11889bd2ff57ed1ec35d7f445768fadcbb50a6172e8
[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" "6e7420d988fab169e010a11889bd2ff57ed1ec35d7f445768fadcbb50a6172e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling wait-timeout v0.1.5
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backtrace`
[INFO] [stdout]   --> src/library/errors.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use failure::{Backtrace, Error};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/library/errors.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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/library/errors.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |             StratisError::Udev(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/library/errors.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             StratisError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[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/library/errors.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 |             StratisError::Nix(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[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/library/errors.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |             StratisError::Utf8(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[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/library/errors.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |             StratisError::Serde(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[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/library/errors.rs:81:46
[INFO] [stdout]    |
[INFO] [stdout] 81 |             StratisError::DM(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling loopdev v0.2.1
[INFO] [stderr]    Compiling rusty-fork v0.2.1
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling proptest v0.7.2
[INFO] [stderr]    Compiling rust_project v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Backtrace`
[INFO] [stdout]   --> src/library/errors.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use failure::{Backtrace, Error};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/library/errors.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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: unused import: `devicemapper as dm`
[INFO] [stdout]  --> src/bin/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use devicemapper as dm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `devicemapper::DmError`
[INFO] [stdout]   --> src/bin/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use devicemapper::DmError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[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/library/errors.rs:85:44
[INFO] [stdout]    |
[INFO] [stdout] 85 |             StratisError::Udev(ref err) => error::Error::description(err),
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/library/errors.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |             StratisError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[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/library/errors.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 |             StratisError::Nix(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[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/library/errors.rs:79:48
[INFO] [stdout]    |
[INFO] [stdout] 79 |             StratisError::Utf8(ref err) => err.description(),
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[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/library/errors.rs:80:49
[INFO] [stdout]    |
[INFO] [stdout] 80 |             StratisError::Serde(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[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/library/errors.rs:81:46
[INFO] [stdout]    |
[INFO] [stdout] 81 |             StratisError::DM(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "6e7420d988fab169e010a11889bd2ff57ed1ec35d7f445768fadcbb50a6172e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7420d988fab169e010a11889bd2ff57ed1ec35d7f445768fadcbb50a6172e8", kill_on_drop: false }`
[INFO] [stdout] 6e7420d988fab169e010a11889bd2ff57ed1ec35d7f445768fadcbb50a6172e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", 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] 0772d00fd80d6a9c325b02de23f2ac20b80385c670dd4169ed4d9e8f0fd5996a
[INFO] running `Command { std: "docker" "start" "-a" "0772d00fd80d6a9c325b02de23f2ac20b80385c670dd4169ed4d9e8f0fd5996a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Backtrace`
[INFO] [stderr]   --> src/library/errors.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use failure::{Backtrace, Error};
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/library/errors.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` 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/library/errors.rs:85:44
[INFO] [stderr]    |
[INFO] [stderr] 85 |             StratisError::Udev(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             StratisError::Io(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:77:47
[INFO] [stderr]    |
[INFO] [stderr] 77 |             StratisError::Nix(ref err) => err.description(),
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:79:48
[INFO] [stderr]    |
[INFO] [stderr] 79 |             StratisError::Utf8(ref err) => err.description(),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:80:49
[INFO] [stderr]    |
[INFO] [stderr] 80 |             StratisError::Serde(ref err) => err.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:81:46
[INFO] [stderr]    |
[INFO] [stderr] 81 |             StratisError::DM(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `devicemapper as dm`
[INFO] [stderr]  --> src/bin/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use devicemapper as dm;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `devicemapper::DmError`
[INFO] [stderr]   --> src/bin/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use devicemapper::DmError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:19:1
[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] 19 | #[macro_use]
[INFO] [stdout] 
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Backtrace`
[INFO] [stderr]   --> src/library/errors.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use failure::{Backtrace, Error};
[INFO] [stderr]    |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/library/errors.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` 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/library/errors.rs:85:44
[INFO] [stderr]    |
[INFO] [stderr] 85 |             StratisError::Udev(ref err) => error::Error::description(err),
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:76:46
[INFO] [stderr]    |
[INFO] [stderr] 76 |             StratisError::Io(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:77:47
[INFO] [stderr]    |
[INFO] [stderr] 77 |             StratisError::Nix(ref err) => err.description(),
[INFO] [stderr]    |                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:79:48
[INFO] [stderr]    |
[INFO] [stderr] 79 |             StratisError::Utf8(ref err) => err.description(),
[INFO] [stderr]    |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:80:49
[INFO] [stderr]    |
[INFO] [stderr] 80 |             StratisError::Serde(ref err) => err.description(),
[INFO] [stderr]    |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/library/errors.rs:81:46
[INFO] [stderr]    |
[INFO] [stderr] 81 |             StratisError::DM(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_project-db09b1c70208e9cb)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-2977cc8c05b8e851)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_project
[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] [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" "0772d00fd80d6a9c325b02de23f2ac20b80385c670dd4169ed4d9e8f0fd5996a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0772d00fd80d6a9c325b02de23f2ac20b80385c670dd4169ed4d9e8f0fd5996a", kill_on_drop: false }`
[INFO] [stdout] 0772d00fd80d6a9c325b02de23f2ac20b80385c670dd4169ed4d9e8f0fd5996a