[INFO] cloning repository https://github.com/michaeldv/rusty_donna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaeldv/rusty_donna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaeldv%2Frusty_donna", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaeldv%2Frusty_donna'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 495d4ff82d6b8de2e1cc10f03c25f53423d32a2a
[INFO] checking michaeldv/rusty_donna against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaeldv%2Frusty_donna" "/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/michaeldv/rusty_donna on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaeldv/rusty_donna
[INFO] finished tweaking git repo https://github.com/michaeldv/rusty_donna
[INFO] tweaked toml for git repo https://github.com/michaeldv/rusty_donna written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/michaeldv/rusty_donna already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ad40e4d907d68c5891dfd174070b39253c8459a7970b2f66f8530b91f39552
[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" "b3ad40e4d907d68c5891dfd174070b39253c8459a7970b2f66f8530b91f39552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ad40e4d907d68c5891dfd174070b39253c8459a7970b2f66f8530b91f39552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ad40e4d907d68c5891dfd174070b39253c8459a7970b2f66f8530b91f39552", kill_on_drop: false }`
[INFO] [stdout] b3ad40e4d907d68c5891dfd174070b39253c8459a7970b2f66f8530b91f39552
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9045ab4098d7c5b41097e21024d32fec1700ff20e510052ce8d15aac5efba1ff
[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" "9045ab4098d7c5b41097e21024d32fec1700ff20e510052ce8d15aac5efba1ff", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty_donna v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                          ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:125:31
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                               ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |             for col in 0us..8us {
[INFO] [stdout]     |                        ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             for col in 0us..8us {
[INFO] [stdout]     |                             ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:125:26
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                          ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:125:31
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                               ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |             for col in 0us..8us {
[INFO] [stdout]     |                        ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `us` for integer literal
[INFO] [stdout]    --> src/bitmask.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |             for col in 0us..8us {
[INFO] [stdout]     |                             ^^^ invalid suffix `us`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stdout]  --> src/init.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::SignedInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stdout]  --> src/init.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::SignedInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `String` in module `core::fmt`
[INFO] [stdout]    --> src/bitmask.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl core::fmt::String for Bitmask {
[INFO] [stdout]     |                 ^^^^^^ not found in `core::fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/bitmask.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `col`, `row`
[INFO] [stdout]  --> src/init.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils::{row, col, coordinate};
[INFO] [stdout]   |             ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `String` in module `core::fmt`
[INFO] [stdout]    --> src/bitmask.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 | impl core::fmt::String for Bitmask {
[INFO] [stdout]     |                 ^^^^^^ not found in `core::fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range` in this scope
[INFO] [stdout]    --> src/bitmask.rs:125:20
[INFO] [stdout]     |
[INFO] [stdout] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stdout]     |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `col`, `row`
[INFO] [stdout]  --> src/init.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use utils::{row, col, coordinate};
[INFO] [stdout]   |             ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_donna`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9045ab4098d7c5b41097e21024d32fec1700ff20e510052ce8d15aac5efba1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9045ab4098d7c5b41097e21024d32fec1700ff20e510052ce8d15aac5efba1ff", kill_on_drop: false }`
[INFO] [stdout] 9045ab4098d7c5b41097e21024d32fec1700ff20e510052ce8d15aac5efba1ff