[INFO] cloning repository https://github.com/davidbegin/rust-euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidbegin/rust-euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Frust-euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Frust-euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e261da9b3098c87ef4b35fcb5bf4db2a1c9fa7e9
[INFO] testing davidbegin/rust-euler against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidbegin%2Frust-euler" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidbegin/rust-euler on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidbegin/rust-euler
[INFO] finished tweaking git repo https://github.com/davidbegin/rust-euler
[INFO] tweaked toml for git repo https://github.com/davidbegin/rust-euler written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/davidbegin/rust-euler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.2.11
[INFO] [stderr]   Downloaded primal-check v0.2.1
[INFO] [stderr]   Downloaded primal-bit v0.2.1
[INFO] [stderr]   Downloaded primal-sieve v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 377c9d4ad8f1a63e6c3de7e012adbd80f76f569cc05e5b00e0df1db63f6318e4
[INFO] running `Command { std: "docker" "start" "-a" "377c9d4ad8f1a63e6c3de7e012adbd80f76f569cc05e5b00e0df1db63f6318e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "377c9d4ad8f1a63e6c3de7e012adbd80f76f569cc05e5b00e0df1db63f6318e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377c9d4ad8f1a63e6c3de7e012adbd80f76f569cc05e5b00e0df1db63f6318e4", kill_on_drop: false }`
[INFO] [stdout] 377c9d4ad8f1a63e6c3de7e012adbd80f76f569cc05e5b00e0df1db63f6318e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11633487d95dab9346cd673ae9a24caa05d087ecd4a314831cbf62cf78eb85af
[INFO] running `Command { std: "docker" "start" "-a" "11633487d95dab9346cd673ae9a24caa05d087ecd4a314831cbf62cf78eb85af", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling winapi v0.2.1
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling type_printer v0.0.1
[INFO] [stderr]    Compiling rand v0.3.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/type_printer-0.0.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_intrinsics': intrinsics are unlikely to ever be stabilized, instead they should be used through stabilized interfaces in the rest of the standard library
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/type_printer-0.0.1/src/lib.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |             std::intrinsics::type_name::<T>()
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `type_printer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.3.8/src/distributions/range.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  - required by this bound in `range::Range`
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn construct_range(low: Self, high: Self) -> Range<Self>;
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `X` if it were used through indirection like `&X` or `Box<X>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ this could be changed to `X: ?Sized`...
[INFO] [stdout] 51 |     low: X,
[INFO] [stdout]    |          - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 52 |     range: X,
[INFO] [stdout]    |            - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 53 |     accept_zone: X
[INFO] [stdout]    |                  - ...if indirection were used here: `Box<X>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn construct_range(low: Self, high: Self) -> Range<Self> where Self: Sized;
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.3.8/src/distributions/range.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  - required by this bound in `range::Range`
[INFO] [stdout] ...
[INFO] [stdout] 87 |     fn sample_range<R: Rng>(r: &Range<Self>, rng: &mut R) -> Self;
[INFO] [stdout]    |                                ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `X` if it were used through indirection like `&X` or `Box<X>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ this could be changed to `X: ?Sized`...
[INFO] [stdout] 51 |     low: X,
[INFO] [stdout]    |          - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 52 |     range: X,
[INFO] [stdout]    |            - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 53 |     accept_zone: X
[INFO] [stdout]    |                  - ...if indirection were used here: `Box<X>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn sample_range<R: Rng>(r: &Range<Self>, rng: &mut R) -> Self where Self: Sized;
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "11633487d95dab9346cd673ae9a24caa05d087ecd4a314831cbf62cf78eb85af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11633487d95dab9346cd673ae9a24caa05d087ecd4a314831cbf62cf78eb85af", kill_on_drop: false }`
[INFO] [stdout] 11633487d95dab9346cd673ae9a24caa05d087ecd4a314831cbf62cf78eb85af
