[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] checking frontsideair/mst against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrontsideair%2Fmst" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frontsideair/mst on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/japaric/criterion.rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded floaty v0.1.0
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded cast v0.1.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09582e0ea3309f87b5e11a3c0275e2ce1809d599c3cd167f1412afc4eb12db18
[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" "09582e0ea3309f87b5e11a3c0275e2ce1809d599c3cd167f1412afc4eb12db18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09582e0ea3309f87b5e11a3c0275e2ce1809d599c3cd167f1412afc4eb12db18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09582e0ea3309f87b5e11a3c0275e2ce1809d599c3cd167f1412afc4eb12db18", kill_on_drop: false }`
[INFO] [stdout] 09582e0ea3309f87b5e11a3c0275e2ce1809d599c3cd167f1412afc4eb12db18
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 368ffaeb9b60ffe49e5c6c43699e6f409baaba703dc9a600f977c4fbca841ebd
[INFO] running `Command { std: "docker" "start" "-a" "368ffaeb9b60ffe49e5c6c43699e6f409baaba703dc9a600f977c4fbca841ebd", 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 cast v0.1.0
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking mintree1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking floaty v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.1.1 (https://github.com/japaric/criterion.rs.git#eaa682f7)
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking 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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "368ffaeb9b60ffe49e5c6c43699e6f409baaba703dc9a600f977c4fbca841ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368ffaeb9b60ffe49e5c6c43699e6f409baaba703dc9a600f977c4fbca841ebd", kill_on_drop: false }`
[INFO] [stdout] 368ffaeb9b60ffe49e5c6c43699e6f409baaba703dc9a600f977c4fbca841ebd
