[INFO] fetching crate axpy 0.3.0...
[INFO] testing axpy-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate axpy 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate axpy 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0bc9e20600decdddf4d583e158f7542e741938403bd6639045213e4ff8be336
[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" "d0bc9e20600decdddf4d583e158f7542e741938403bd6639045213e4ff8be336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0bc9e20600decdddf4d583e158f7542e741938403bd6639045213e4ff8be336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bc9e20600decdddf4d583e158f7542e741938403bd6639045213e4ff8be336", kill_on_drop: false }`
[INFO] [stdout] d0bc9e20600decdddf4d583e158f7542e741938403bd6639045213e4ff8be336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d5d96f6c3037217181411227b6b012247658e7d10465a3007af19286fe78d0
[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" "03d5d96f6c3037217181411227b6b012247658e7d10465a3007af19286fe78d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling axpy v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "03d5d96f6c3037217181411227b6b012247658e7d10465a3007af19286fe78d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d5d96f6c3037217181411227b6b012247658e7d10465a3007af19286fe78d0", kill_on_drop: false }`
[INFO] [stdout] 03d5d96f6c3037217181411227b6b012247658e7d10465a3007af19286fe78d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--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] a3ec7b7a5fde3c5d994564bee6f85f599958fdd7c9932778775b5cda6e32fa07
[INFO] running `Command { std: "docker" "start" "-a" "a3ec7b7a5fde3c5d994564bee6f85f599958fdd7c9932778775b5cda6e32fa07", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)] } ; (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: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) => { axpy! [# z ; car ; cdr.1 ; (+ 2. * * cdr.0) 0 - x 3. * y] }
[INFO] [stdout]                    ;
[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) => { axpy! [# z ; car ; cdr ; (+ 2. * * car + - * car) 3. * y] }
[INFO] [stdout]                    ; (x z) =>
[INFO] [stdout]                    { axpy! [# z ; car ; cdr.1 ; (+ 2. * * car + - * cdr.0) 3. * y] } ;
[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! [# 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: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]                            let kind = $crate :: panicking :: AssertKind :: Eq ; $crate ::
[INFO] [stdout]                            panicking ::
[INFO] [stdout]                            assert_failed(kind, & * left_val, & * right_val, $crate ::
[INFO] [stdout]                                          option :: Option :: None) ;
[INFO] [stdout]                        }
[INFO] [stdout]                    }
[INFO] [stdout]                }
[INFO] [stdout]            }`
[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]                            let kind = $crate :: panicking :: AssertKind :: Eq ; $crate ::
[INFO] [stdout]                            panicking ::
[INFO] [stdout]                            assert_failed(kind, & * left_val, & * right_val, $crate ::
[INFO] [stdout]                                          option :: Option :: None) ;
[INFO] [stdout]                        }
[INFO] [stdout]                    }
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/trace.rs:1:12
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a3ec7b7a5fde3c5d994564bee6f85f599958fdd7c9932778775b5cda6e32fa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ec7b7a5fde3c5d994564bee6f85f599958fdd7c9932778775b5cda6e32fa07", kill_on_drop: false }`
[INFO] [stdout] a3ec7b7a5fde3c5d994564bee6f85f599958fdd7c9932778775b5cda6e32fa07