[INFO] cloning repository https://github.com/iunknow588/super_fair_division
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iunknow588/super_fair_division" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiunknow588%2Fsuper_fair_division", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiunknow588%2Fsuper_fair_division'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 348185662a92529b29f2a08317f6834808cf5651
[INFO] checking iunknow588/super_fair_division against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiunknow588%2Fsuper_fair_division" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iunknow588/super_fair_division
[INFO] finished tweaking git repo https://github.com/iunknow588/super_fair_division
[INFO] tweaked toml for git repo https://github.com/iunknow588/super_fair_division written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iunknow588/super_fair_division on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iunknow588/super_fair_division 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2261cd94add4f588d5d464ae9da5d867fe0f8ff68d92da34fdb71890378860d8
[INFO] running `Command { std: "docker" "start" "-a" "2261cd94add4f588d5d464ae9da5d867fe0f8ff68d92da34fdb71890378860d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2261cd94add4f588d5d464ae9da5d867fe0f8ff68d92da34fdb71890378860d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2261cd94add4f588d5d464ae9da5d867fe0f8ff68d92da34fdb71890378860d8", kill_on_drop: false }`
[INFO] [stdout] 2261cd94add4f588d5d464ae9da5d867fe0f8ff68d92da34fdb71890378860d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b3d4d8fbcc9676189cba513ca98e67d3def752e8fa778e915d9efcd8bfa746
[INFO] running `Command { std: "docker" "start" "-a" "00b3d4d8fbcc9676189cba513ca98e67d3def752e8fa778e915d9efcd8bfa746", kill_on_drop: false }`
[INFO] [stderr]     Checking super_fair_division v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super_fair_division::calculate_fair_division`
[INFO] [stdout]  --> benches/performance.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super_fair_division::calculate_fair_division;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `calculate_fair_division` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> benches/performance.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `criterion`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `criterion`, use `cargo add criterion` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> benches/performance.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 |     c.bench_function("small input", |b| {
[INFO] [stdout]   |                                      ^
[INFO] [stdout] 7 |         b.iter(|| calculate_fair_division(black_box(&small_input)))
[INFO] [stdout]   |         - type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 6 |     c.bench_function("small input", |b: /* Type */| {
[INFO] [stdout]   |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> benches/performance.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     c.bench_function("medium input", |b| {
[INFO] [stdout]    |                                       ^
[INFO] [stdout] 14 |         b.iter(|| calculate_fair_division(black_box(&medium_input)))
[INFO] [stdout]    |         - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 13 |     c.bench_function("medium input", |b: /* Type */| {
[INFO] [stdout]    |                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> benches/performance.rs:20:38
[INFO] [stdout]    |
[INFO] [stdout] 20 |     c.bench_function("large input", |b| {
[INFO] [stdout]    |                                      ^
[INFO] [stdout] 21 |         b.iter(|| calculate_fair_division(black_box(&large_input)))
[INFO] [stdout]    |         - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 20 |     c.bench_function("large input", |b: /* Type */| {
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `super_fair_division` (bench "performance") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "00b3d4d8fbcc9676189cba513ca98e67d3def752e8fa778e915d9efcd8bfa746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b3d4d8fbcc9676189cba513ca98e67d3def752e8fa778e915d9efcd8bfa746", kill_on_drop: false }`
[INFO] [stdout] 00b3d4d8fbcc9676189cba513ca98e67d3def752e8fa778e915d9efcd8bfa746