[INFO] cloning repository https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpmc/rust-dijkstra-prime-finding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b45d0c18b458951e637475aac2a0014e00f2eb31
[INFO] checking jpmc/rust-dijkstra-prime-finding against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] finished tweaking git repo https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] tweaked toml for git repo https://github.com/jpmc/rust-dijkstra-prime-finding written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpmc/rust-dijkstra-prime-finding on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpmc/rust-dijkstra-prime-finding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b6396c79906592042242293b0c6bc26bb753dbc4a635d8ffbdfc67d7fd8122e
[INFO] running `Command { std: "docker" "start" "-a" "3b6396c79906592042242293b0c6bc26bb753dbc4a635d8ffbdfc67d7fd8122e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b6396c79906592042242293b0c6bc26bb753dbc4a635d8ffbdfc67d7fd8122e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6396c79906592042242293b0c6bc26bb753dbc4a635d8ffbdfc67d7fd8122e", kill_on_drop: false }`
[INFO] [stdout] 3b6396c79906592042242293b0c6bc26bb753dbc4a635d8ffbdfc67d7fd8122e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ad1dbd60369c989994356d16f8025c812fff505198e258468f6ae6909a5b98
[INFO] running `Command { std: "docker" "start" "-a" "30ad1dbd60369c989994356d16f8025c812fff505198e258468f6ae6909a5b98", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-djikstra-primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a3" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a2" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a3") due to 1 previous error; 1 warning emitted
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_naive" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_naive") due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a2") due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a1") due to 1 previous error
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a1" test) due to 1 previous error
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/alloc/src/vec/mod.rs:3862:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47/library/core/src/iter/traits/iterator.rs:2051:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "rust-djikstra-primes") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "rust-djikstra-primes" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "30ad1dbd60369c989994356d16f8025c812fff505198e258468f6ae6909a5b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ad1dbd60369c989994356d16f8025c812fff505198e258468f6ae6909a5b98", kill_on_drop: false }`
[INFO] [stdout] 30ad1dbd60369c989994356d16f8025c812fff505198e258468f6ae6909a5b98
