[INFO] fetching crate higher-cat 0.1.1...
[INFO] checking higher-cat-0.1.1 against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] extracting crate higher-cat 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate higher-cat 0.1.1
[INFO] finished tweaking crates.io crate higher-cat 0.1.1
[INFO] tweaked toml for crates.io crate higher-cat 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate higher-cat 0.1.1 on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding higher v0.1.1 (available: v0.2.0)
[INFO] [stderr]       Adding higher-derive v0.1.1 (available: v0.2.0)
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c
[INFO] running `Command { std: "docker" "start" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking higher v0.1.1
[INFO] [stderr]     Checking higher-cat v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stdout] warning: trait `BifunctorLeft` is never used
[INFO] [stdout]   --> src/bifunctor.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BifunctorLeft<A, B, C>: Bifunctor<A, B, C, B> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BifunctorRight` is never used
[INFO] [stdout]   --> src/bifunctor.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait BifunctorRight<A, B, C>: Bifunctor<A, B, A, C> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ProfunctorLeft` is never used
[INFO] [stdout]   --> src/profunctor.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ProfunctorLeft<A, B, C>: Profunctor<A, B, C, B> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling higher-derive v0.1.1
[INFO] [stdout] warning: trait `BifunctorLeft` is never used
[INFO] [stdout]   --> src/bifunctor.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BifunctorLeft<A, B, C>: Bifunctor<A, B, C, B> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BifunctorRight` is never used
[INFO] [stdout]   --> src/bifunctor.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait BifunctorRight<A, B, C>: Bifunctor<A, B, A, C> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ProfunctorLeft` is never used
[INFO] [stdout]   --> src/profunctor.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait ProfunctorLeft<A, B, C>: Profunctor<A, B, C, B> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c", kill_on_drop: false }`
[INFO] [stdout] ce41349674695684987ab240c292842d15126b9150663b1aed22baeb31c5503c
