[INFO] fetching crate libprefetch 0.1.1...
[INFO] building libprefetch-0.1.1 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate libprefetch 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libprefetch 0.1.1 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libprefetch 0.1.1
[INFO] finished tweaking crates.io crate libprefetch 0.1.1
[INFO] tweaked toml for crates.io crate libprefetch 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e97b8bcb990691278847798b4765334a350b126d8f8304ec9da06e78aa87f62
[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" "0e97b8bcb990691278847798b4765334a350b126d8f8304ec9da06e78aa87f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e97b8bcb990691278847798b4765334a350b126d8f8304ec9da06e78aa87f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e97b8bcb990691278847798b4765334a350b126d8f8304ec9da06e78aa87f62", kill_on_drop: false }`
[INFO] [stdout] 0e97b8bcb990691278847798b4765334a350b126d8f8304ec9da06e78aa87f62
[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=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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b559f1c3fe2c3ae56b385cbf3b28489cbd3d2cfeb50fe081a028507bd8b3556e
[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" "b559f1c3fe2c3ae56b385cbf3b28489cbd3d2cfeb50fe081a028507bd8b3556e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libprefetch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:39:44
[INFO] [stdout]    |
[INFO] [stdout] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |   Box<super::parser::Parser>)> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |       Error::IOError(ref e) => e.description(),
[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/error.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     write!(f, "{}", self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/prefetch.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "b559f1c3fe2c3ae56b385cbf3b28489cbd3d2cfeb50fe081a028507bd8b3556e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b559f1c3fe2c3ae56b385cbf3b28489cbd3d2cfeb50fe081a028507bd8b3556e", kill_on_drop: false }`
[INFO] [stdout] b559f1c3fe2c3ae56b385cbf3b28489cbd3d2cfeb50fe081a028507bd8b3556e
[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=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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae65a1669e5120a5f4c4657cbb07137798cfe327d044be363c2bd16f44aaa3c7
[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" "ae65a1669e5120a5f4c4657cbb07137798cfe327d044be363c2bd16f44aaa3c7", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:39:44
[INFO] [stdout]    |
[INFO] [stdout] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[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] [stderr]    Compiling libprefetch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |   Box<super::parser::Parser>)> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |       Error::IOError(ref e) => e.description(),
[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/error.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     write!(f, "{}", self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/prefetch.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:39:44
[INFO] [stdout]    |
[INFO] [stdout] 39 |       -> super::Result<(FormatVersion, Box<super::parser::Parser>)> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prefetch.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 |   Box<super::parser::Parser>)> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/header.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let result: super::Result<(Header, Box<super::parser::Parser>)>;
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn super::parser::Parser`
[INFO] [stdout]    |
[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:44:34
[INFO] [stdout]    |
[INFO] [stdout] 44 |       Error::IOError(ref e) => e.description(),
[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/error.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     write!(f, "{}", self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/prefetch.rs:96:3
[INFO] [stdout]    |
[INFO] [stdout] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae65a1669e5120a5f4c4657cbb07137798cfe327d044be363c2bd16f44aaa3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae65a1669e5120a5f4c4657cbb07137798cfe327d044be363c2bd16f44aaa3c7", kill_on_drop: false }`
[INFO] [stdout] ae65a1669e5120a5f4c4657cbb07137798cfe327d044be363c2bd16f44aaa3c7
