[INFO] fetching crate axpy 0.3.0...
[INFO] checking axpy-0.3.0 against beta for pr-78714
[INFO] extracting crate axpy 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate axpy 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axpy 0.3.0
[INFO] finished tweaking crates.io crate axpy 0.3.0
[INFO] tweaked toml for crates.io crate axpy 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef69bd4e93ce6a8b907fd8bac1b315b45b1a90784fcf2f6fd2d9a2f2145473c
[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" "1ef69bd4e93ce6a8b907fd8bac1b315b45b1a90784fcf2f6fd2d9a2f2145473c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef69bd4e93ce6a8b907fd8bac1b315b45b1a90784fcf2f6fd2d9a2f2145473c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef69bd4e93ce6a8b907fd8bac1b315b45b1a90784fcf2f6fd2d9a2f2145473c", kill_on_drop: false }`
[INFO] [stdout] 1ef69bd4e93ce6a8b907fd8bac1b315b45b1a90784fcf2f6fd2d9a2f2145473c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] c442095c6298f638579f8362d471a0c6748afe0b9d54017ba26632a827ee6f5c
[INFO] running `Command { std: "docker" "start" "-a" "c442095c6298f638579f8362d471a0c6748afe0b9d54017ba26632a827ee6f5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking axpy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> tests/trace.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     axpy![z = x + y];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `axpy! { z = x + y }`
[INFO] [stdout]    = note: to `axpy ! [! z = () x + y + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = () x + y + . }`
[INFO] [stdout]    = note: to `axpy ! [! z = (0 + x) + y + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = (0 + x) + y + . }`
[INFO] [stdout]    = note: to `axpy ! [! z = (0 + x 0 + y) + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = (0 + x 0 + y) + . }`
[INFO] [stdout]    = note: to `for(car, cdr) in axpy ! [@ z ; z . iter_mut() ; 0 + x 0 + y]
[INFO] [stdout]            { * car = axpy ! [# z ; car ; cdr ; () 0 + x 0 + y] ; }`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; z . iter_mut() ; 0 + x 0 + y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [@ z ; z.iter_mut() ; 0 + y] } ; (x z) =>
[INFO] [stdout]                    { z.iter_mut() . zip(axpy ! [@ z ; x . iter() ; 0 + y]) } ;
[INFO] [stdout]                } eval ! (x z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { x z }`
[INFO] [stdout]    = note: to `z.iter_mut() . zip(axpy ! [@ z ; x . iter() ; 0 + y])`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; x . iter() ; 0 + y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [@ z ; x.iter() ;] } ; (y z) =>
[INFO] [stdout]                    { x.iter() . zip(axpy ! [@ z ; y . iter() ;]) } ;
[INFO] [stdout]                } eval ! (y z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { y z }`
[INFO] [stdout]    = note: to `x.iter() . zip(axpy ! [@ z ; y . iter() ;])`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; y . iter() ; }`
[INFO] [stdout]    = note: to `y.iter() . map(| x | (x,))`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr ; () 0 + x 0 + y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [# z ; car ; cdr ; (+ * car) 0 + y] } ; (x z) =>
[INFO] [stdout]                    { axpy ! [# z ; car ; cdr . 1 ; (+ * cdr . 0) 0 + y] } ;
[INFO] [stdout]                } eval ! (x z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { x z }`
[INFO] [stdout]    = note: to `axpy ! [# z ; car ; cdr . 1 ; (+ * cdr . 0) 0 + y]`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr . 1 ; (+ * cdr . 0) 0 + y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [# z ; car ; cdr.1 ; (+ * cdr . 0 + * car)] } ;
[INFO] [stdout]                    (y z) =>
[INFO] [stdout]                    { axpy ! [# z ; car ; cdr.1 . 1 ; (+ * cdr . 0 + * cdr.1 . 0)] } ;
[INFO] [stdout]                } eval ! (y z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { y z }`
[INFO] [stdout]    = note: to `axpy ! [# z ; car ; cdr.1 . 1 ; (+ * cdr . 0 + * cdr.1 . 0)]`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr.1 . 1 ; (+ * cdr . 0 + * cdr.1 . 0) }`
[INFO] [stdout]    = note: to `* cdr . 0 + * cdr.1 . 0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> tests/trace.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     assert_eq!(z, [31f64, 207., 2003., 19999.]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `assert_eq! { z, [31f64, 207., 2003., 19999.] }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                match(& z, & [31f64, 207., 2003., 19999.])
[INFO] [stdout]                {
[INFO] [stdout]                    (left_val, right_val) =>
[INFO] [stdout]                    {
[INFO] [stdout]                        if ! (* left_val == * right_val)
[INFO] [stdout]                        {
[INFO] [stdout]                            panic !
[INFO] [stdout]                            (r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#,
[INFO] [stdout]                             & * left_val, & * right_val)
[INFO] [stdout]                        }
[INFO] [stdout]                    }
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `panic! { r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#, & *
[INFO] [stdout]            left_val, & * right_val }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                $crate :: rt ::
[INFO] [stdout]                begin_panic_fmt(& $crate :: format_args !
[INFO] [stdout]                                (r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#,
[INFO] [stdout]                                 & * left_val, & * right_val))
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> tests/trace.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     axpy![z = 2.*z - x + 3. * y];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `axpy! { z = 2. * z - x + 3. * y }`
[INFO] [stdout]    = note: to `axpy ! [! z = () 2. * z - x + 3. * y + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = () 2. * z - x + 3. * y + . }`
[INFO] [stdout]    = note: to `axpy ! [! z = (2. * z) - x + 3. * y + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = (2. * z) - x + 3. * y + . }`
[INFO] [stdout]    = note: to `axpy ! [! z = (2. * z 0 - x) + 3. * y + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = (2. * z 0 - x) + 3. * y + . }`
[INFO] [stdout]    = note: to `axpy ! [! z = (2. * z 0 - x 3. * y) + .]`
[INFO] [stdout]    = note: expanding `axpy! { ! z = (2. * z 0 - x 3. * y) + . }`
[INFO] [stdout]    = note: to `for(car, cdr) in axpy ! [@ z ; z . iter_mut() ; 2. * z 0 - x 3. * y]
[INFO] [stdout]            { * car = axpy ! [# z ; car ; cdr ; () 2. * z 0 - x 3. * y] ; }`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; z . iter_mut() ; 2. * z 0 - x 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [@ z ; z.iter_mut() ; 0 - x 3. * y] } ; (z z) =>
[INFO] [stdout]                    { z.iter_mut() . zip(axpy ! [@ z ; z . iter() ; 0 - x 3. * y]) } ;
[INFO] [stdout]                } eval ! (z z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { z z }`
[INFO] [stdout]    = note: to `axpy ! [@ z ; z.iter_mut() ; 0 - x 3. * y]`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; z.iter_mut() ; 0 - x 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [@ z ; z.iter_mut() ; 3. * y] } ; (x z) =>
[INFO] [stdout]                    { z.iter_mut() . zip(axpy ! [@ z ; x . iter() ; 3. * y]) } ;
[INFO] [stdout]                } eval ! (x z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { x z }`
[INFO] [stdout]    = note: to `z.iter_mut() . zip(axpy ! [@ z ; x . iter() ; 3. * y])`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; x . iter() ; 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [@ z ; x.iter() ;] } ; (y z) =>
[INFO] [stdout]                    { x.iter() . zip(axpy ! [@ z ; y . iter() ;]) } ;
[INFO] [stdout]                } eval ! (y z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { y z }`
[INFO] [stdout]    = note: to `x.iter() . zip(axpy ! [@ z ; y . iter() ;])`
[INFO] [stdout]    = note: expanding `axpy! { @ z ; y . iter() ; }`
[INFO] [stdout]    = note: to `y.iter() . map(| x | (x,))`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr ; () 2. * z 0 - x 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) => { axpy ! [# z ; car ; cdr ; (+ 2. * * car) 0 - x 3. * y] } ;
[INFO] [stdout]                    (z z) =>
[INFO] [stdout]                    { axpy ! [# z ; car ; cdr . 1 ; (+ 2. * * cdr . 0) 0 - x 3. * y] } ;
[INFO] [stdout]                } eval ! (z z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { z z }`
[INFO] [stdout]    = note: to `axpy ! [# z ; car ; cdr ; (+ 2. * * car) 0 - x 3. * y]`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr ; (+ 2. * * car) 0 - x 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) =>
[INFO] [stdout]                    { axpy ! [# z ; car ; cdr ; (+ 2. * * car + - * car) 3. * y] } ; (x z)
[INFO] [stdout]                    =>
[INFO] [stdout]                    { axpy ! [# z ; car ; cdr . 1 ; (+ 2. * * car + - * cdr . 0) 3. * y] }
[INFO] [stdout]                    ;
[INFO] [stdout]                } eval ! (x z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { x z }`
[INFO] [stdout]    = note: to `axpy ! [# z ; car ; cdr . 1 ; (+ 2. * * car + - * cdr . 0) 3. * y]`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr . 1 ; (+ 2. * * car + - * cdr . 0) 3. * y }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                macro_rules ! eval
[INFO] [stdout]                {
[INFO] [stdout]                    (z z) =>
[INFO] [stdout]                    {
[INFO] [stdout]                        axpy !
[INFO] [stdout]                        [# z ; car ; cdr.1 ; (+ 2. * * car + - * cdr . 0 + 3. * * car)]
[INFO] [stdout]                    } ; (y z) =>
[INFO] [stdout]                    {
[INFO] [stdout]                        axpy !
[INFO] [stdout]                        [# z ; car ; cdr.1 . 1 ;
[INFO] [stdout]                         (+ 2. * * car + - * cdr . 0 + 3. * * cdr.1 . 0)]
[INFO] [stdout]                    } ;
[INFO] [stdout]                } eval ! (y z)
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `eval! { y z }`
[INFO] [stdout]    = note: to `axpy !
[INFO] [stdout]            [# z ; car ; cdr.1 . 1 ; (+ 2. * * car + - * cdr . 0 + 3. * * cdr.1 . 0)]`
[INFO] [stdout]    = note: expanding `axpy! { # z ; car ; cdr.1 . 1 ; (+ 2. * * car + - * cdr . 0 + 3. * * cdr.1 . 0) }`
[INFO] [stdout]    = note: to `2. * * car + - * cdr . 0 + 3. * * cdr.1 . 0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> tests/trace.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     assert_eq!(z, [5, 5, 5, 5]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `assert_eq! { z, [5, 5, 5, 5] }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                match(& z, & [5, 5, 5, 5])
[INFO] [stdout]                {
[INFO] [stdout]                    (left_val, right_val) =>
[INFO] [stdout]                    {
[INFO] [stdout]                        if ! (* left_val == * right_val)
[INFO] [stdout]                        {
[INFO] [stdout]                            panic !
[INFO] [stdout]                            (r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#,
[INFO] [stdout]                             & * left_val, & * right_val)
[INFO] [stdout]                        }
[INFO] [stdout]                    }
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout]    = note: expanding `panic! { r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#, & *
[INFO] [stdout]            left_val, & * right_val }`
[INFO] [stdout]    = note: to `{
[INFO] [stdout]                $crate :: rt ::
[INFO] [stdout]                begin_panic_fmt(& $crate :: format_args !
[INFO] [stdout]                                (r#"assertion failed: `(left == right)`
[INFO] [stdout]              left: `{:?}`,
[INFO] [stdout]             right: `{:?}`"#,
[INFO] [stdout]                                 & * left_val, & * right_val))
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/trace.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trace_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `axpy`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c442095c6298f638579f8362d471a0c6748afe0b9d54017ba26632a827ee6f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c442095c6298f638579f8362d471a0c6748afe0b9d54017ba26632a827ee6f5c", kill_on_drop: false }`
[INFO] [stdout] c442095c6298f638579f8362d471a0c6748afe0b9d54017ba26632a827ee6f5c