[INFO] fetching crate seqalign 0.2.2...
[INFO] checking seqalign-0.2.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate seqalign 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate seqalign 0.2.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seqalign 0.2.2
[INFO] finished tweaking crates.io crate seqalign 0.2.2
[INFO] tweaked toml for crates.io crate seqalign 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa1ce3600a42aa7437c59f285274f9e867685f4a840020ad396fab9c3724f74
[INFO] running `Command { std: "docker" "start" "-a" "4fa1ce3600a42aa7437c59f285274f9e867685f4a840020ad396fab9c3724f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa1ce3600a42aa7437c59f285274f9e867685f4a840020ad396fab9c3724f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa1ce3600a42aa7437c59f285274f9e867685f4a840020ad396fab9c3724f74", kill_on_drop: false }`
[INFO] [stdout] 4fa1ce3600a42aa7437c59f285274f9e867685f4a840020ad396fab9c3724f74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ce4a8c3e2057368c12cbae89cb2a26317a588ec570f86aa391a9cc1a2416ba
[INFO] running `Command { std: "docker" "start" "-a" "59ce4a8c3e2057368c12cbae89cb2a26317a588ec570f86aa391a9cc1a2416ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking seqalign v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]  --> benches/seqalign.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test::{black_box, Bencher};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[char]` cannot be known at compilation time
[INFO] [stdout]   --> benches/seqalign.rs:53:34
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for &(ref s1, ref s2) in &pairs {
[INFO] [stdout]    |                                  ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[char]`
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seqalign`
[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" "59ce4a8c3e2057368c12cbae89cb2a26317a588ec570f86aa391a9cc1a2416ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ce4a8c3e2057368c12cbae89cb2a26317a588ec570f86aa391a9cc1a2416ba", kill_on_drop: false }`
[INFO] [stdout] 59ce4a8c3e2057368c12cbae89cb2a26317a588ec570f86aa391a9cc1a2416ba