[INFO] fetching crate rationalize 0.2.0...
[INFO] checking rationalize-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rationalize 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rationalize 0.2.0
[INFO] finished tweaking crates.io crate rationalize 0.2.0
[INFO] tweaked toml for crates.io crate rationalize 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rationalize 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3762967be1dc0a6141b231c1c0c5cdaadb56c2bd770be4019997a007bd5f2db
[INFO] running `Command { std: "docker" "start" "-a" "e3762967be1dc0a6141b231c1c0c5cdaadb56c2bd770be4019997a007bd5f2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3762967be1dc0a6141b231c1c0c5cdaadb56c2bd770be4019997a007bd5f2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3762967be1dc0a6141b231c1c0c5cdaadb56c2bd770be4019997a007bd5f2db", kill_on_drop: false }`
[INFO] [stdout] e3762967be1dc0a6141b231c1c0c5cdaadb56c2bd770be4019997a007bd5f2db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7f5d1427ad5d5c845ef29abe6177671103ce5821d718910a8465be94d6cf96a
[INFO] running `Command { std: "docker" "start" "-a" "d7f5d1427ad5d5c845ef29abe6177671103ce5821d718910a8465be94d6cf96a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking rationalize v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `chemical_balancer`
[INFO] [stdout]  --> tests/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chemical_balancer::ChemicalBalancer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `chemical_balancer`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `chemical_balancer`, use `cargo add chemical_balancer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> tests/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rationalize` (test "main") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d7f5d1427ad5d5c845ef29abe6177671103ce5821d718910a8465be94d6cf96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f5d1427ad5d5c845ef29abe6177671103ce5821d718910a8465be94d6cf96a", kill_on_drop: false }`
[INFO] [stdout] d7f5d1427ad5d5c845ef29abe6177671103ce5821d718910a8465be94d6cf96a