[INFO] cloning repository https://github.com/jcoates/markov_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcoates/markov_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoates%2Fmarkov_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoates%2Fmarkov_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8875ed09971056964055154463392a4355df856 [INFO] testing jcoates/markov_rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcoates%2Fmarkov_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jcoates/markov_rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jcoates/markov_rust [INFO] finished tweaking git repo https://github.com/jcoates/markov_rust [INFO] tweaked toml for git repo https://github.com/jcoates/markov_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jcoates/markov_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3940a26194cf8efa6612edfe9393e45162bbe886cd646a6d4ffc51fccdd407f [INFO] running `Command { std: "docker" "start" "-a" "e3940a26194cf8efa6612edfe9393e45162bbe886cd646a6d4ffc51fccdd407f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3940a26194cf8efa6612edfe9393e45162bbe886cd646a6d4ffc51fccdd407f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3940a26194cf8efa6612edfe9393e45162bbe886cd646a6d4ffc51fccdd407f", kill_on_drop: false }` [INFO] [stdout] e3940a26194cf8efa6612edfe9393e45162bbe886cd646a6d4ffc51fccdd407f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 742c4e12b820f7b61a813138e69fbecf226b8c374b696cdc601a5b21188e3475 [INFO] running `Command { std: "docker" "start" "-a" "742c4e12b820f7b61a813138e69fbecf226b8c374b696cdc601a5b21188e3475", kill_on_drop: false }` [INFO] [stderr] Compiling readline-sys v0.0.5 [INFO] [stderr] Compiling rand v0.3.8 [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 { [INFO] [stdout] | - required by this bound in `range::Range` [INFO] [stdout] ... [INFO] [stdout] 83 | fn construct_range(low: Self, high: Self) -> Range; [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` [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 { [INFO] [stdout] | ^ this could be changed to `X: ?Sized`... [INFO] [stdout] 51 | low: X, [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] 52 | range: X, [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] 53 | accept_zone: X [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] help: consider further restricting `Self` [INFO] [stdout] | [INFO] [stdout] 83 | fn construct_range(low: Self, high: Self) -> Range 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:87:33 [INFO] [stdout] | [INFO] [stdout] 50 | pub struct Range { [INFO] [stdout] | - required by this bound in `range::Range` [INFO] [stdout] ... [INFO] [stdout] 87 | fn sample_range(r: &Range, 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` [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 { [INFO] [stdout] | ^ this could be changed to `X: ?Sized`... [INFO] [stdout] 51 | low: X, [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] 52 | range: X, [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] 53 | accept_zone: X [INFO] [stdout] | - ...if indirection were used here: `Box` [INFO] [stdout] help: consider further restricting `Self` [INFO] [stdout] | [INFO] [stdout] 87 | fn sample_range(r: &Range, 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] [stderr] error: could not compile `rand` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "742c4e12b820f7b61a813138e69fbecf226b8c374b696cdc601a5b21188e3475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "742c4e12b820f7b61a813138e69fbecf226b8c374b696cdc601a5b21188e3475", kill_on_drop: false }` [INFO] [stdout] 742c4e12b820f7b61a813138e69fbecf226b8c374b696cdc601a5b21188e3475