[INFO] fetching crate humanesort 0.1.0-alpha...
[INFO] checking humanesort-0.1.0-alpha against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate humanesort 0.1.0-alpha into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate humanesort 0.1.0-alpha on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate humanesort 0.1.0-alpha
[INFO] finished tweaking crates.io crate humanesort 0.1.0-alpha
[INFO] tweaked toml for crates.io crate humanesort 0.1.0-alpha written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 580b68416ea528f057ffbc447f725e91ef44128ca34bc75d1c05f8284271b133
[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" "580b68416ea528f057ffbc447f725e91ef44128ca34bc75d1c05f8284271b133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "580b68416ea528f057ffbc447f725e91ef44128ca34bc75d1c05f8284271b133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580b68416ea528f057ffbc447f725e91ef44128ca34bc75d1c05f8284271b133", kill_on_drop: false }`
[INFO] [stdout] 580b68416ea528f057ffbc447f725e91ef44128ca34bc75d1c05f8284271b133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5795ef218aa17af9b74c60184ee143ba9dcc61af9bae79c885cc58a3b2cfa3c
[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" "b5795ef218aa17af9b74c60184ee143ba9dcc61af9bae79c885cc58a3b2cfa3c", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking humanesort v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     token_type: &'a Fn(&str) -> T,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn new(s: &'a str, func: &'a Fn(&str) -> T) -> Self {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:150:21
[INFO] [stdout]     |
[INFO] [stdout] 150 |     token_type: &'a Fn(&str) -> T,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:34
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn new(s: &'a str, func: &'a Fn(&str) -> T) -> Self {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b5795ef218aa17af9b74c60184ee143ba9dcc61af9bae79c885cc58a3b2cfa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5795ef218aa17af9b74c60184ee143ba9dcc61af9bae79c885cc58a3b2cfa3c", kill_on_drop: false }`
[INFO] [stdout] b5795ef218aa17af9b74c60184ee143ba9dcc61af9bae79c885cc58a3b2cfa3c