[INFO] cloning repository https://github.com/frontsideair/mst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frontsideair/mst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontsideair%2Fmst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontsideair%2Fmst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 733dbaf513c19019b8723224c49c379ae0eac176
[INFO] testing frontsideair/mst against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontsideair%2Fmst" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frontsideair/mst on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frontsideair/mst
[INFO] finished tweaking git repo https://github.com/frontsideair/mst
[INFO] tweaked toml for git repo https://github.com/frontsideair/mst written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/frontsideair/mst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04e99e235eff980d5d1b82c021af8b8d01b8b0d7c389f6816ecb18ac591726e
[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" "f04e99e235eff980d5d1b82c021af8b8d01b8b0d7c389f6816ecb18ac591726e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04e99e235eff980d5d1b82c021af8b8d01b8b0d7c389f6816ecb18ac591726e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04e99e235eff980d5d1b82c021af8b8d01b8b0d7c389f6816ecb18ac591726e", kill_on_drop: false }`
[INFO] [stdout] f04e99e235eff980d5d1b82c021af8b8d01b8b0d7c389f6816ecb18ac591726e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8150a19b9f81ba2892df6bad82ba20ccd858a3c7ba20e7b3cc396792a9255
[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" "e6c8150a19b9f81ba2892df6bad82ba20ccd858a3c7ba20e7b3cc396792a9255", kill_on_drop: false }`
[INFO] [stderr]    Compiling mintree1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "e6c8150a19b9f81ba2892df6bad82ba20ccd858a3c7ba20e7b3cc396792a9255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8150a19b9f81ba2892df6bad82ba20ccd858a3c7ba20e7b3cc396792a9255", kill_on_drop: false }`
[INFO] [stdout] e6c8150a19b9f81ba2892df6bad82ba20ccd858a3c7ba20e7b3cc396792a9255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08d09016191c43cc7daf1efcf8b5fb0e1be4a9ea57774dc064435d9ac627b91
[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" "a08d09016191c43cc7daf1efcf8b5fb0e1be4a9ea57774dc064435d9ac627b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling cast v0.1.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling floaty v0.1.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling criterion-plot v0.1.1 (https://github.com/japaric/criterion.rs.git#eaa682f7)
[INFO] [stderr]    Compiling criterion-stats v0.1.1 (https://github.com/japaric/criterion.rs.git#eaa682f7)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(custom_attribute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/bivariate/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/bivariate/mod.rs:94:35
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]    |                                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/sample.rs:242:35
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]     |                                   ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/mixed.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ptr::Unique;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals': use `NonNull` instead and consider `PhantomData<T>` (if you also use `#[may_dangle]`), `Send`, and/or `Sync`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/mixed.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/bivariate/mod.rs:94:35
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/bivariate/mod.rs:99:72
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         let distributions: &mut T::Distributions = ptr.as_mut();
[INFO] [stdout]    |                                                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/sample.rs:242:35
[INFO] [stdout]     |
[INFO] [stdout] 242 |                     let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/sample.rs:247:72
[INFO] [stdout]     |
[INFO] [stdout] 247 |                         let distributions: &mut T::Distributions = ptr.as_mut();
[INFO] [stdout]     |                                                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/mixed.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let mut ptr = Unique::new_unchecked(&mut distributions);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'ptr_internals'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/criterion.rs-33720cacd219973f/eaa682f/stats/src/univariate/mixed.rs:51:68
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     let distributions: &mut T::Distributions = ptr.as_mut();
[INFO] [stdout]    |                                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(ptr_internals)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `criterion-stats` due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a08d09016191c43cc7daf1efcf8b5fb0e1be4a9ea57774dc064435d9ac627b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08d09016191c43cc7daf1efcf8b5fb0e1be4a9ea57774dc064435d9ac627b91", kill_on_drop: false }`
[INFO] [stdout] a08d09016191c43cc7daf1efcf8b5fb0e1be4a9ea57774dc064435d9ac627b91