[INFO] fetching crate seqalign 0.2.2...
[INFO] checking seqalign-0.2.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate seqalign 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate seqalign 0.2.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 222efa2b72ffee46874cda06ac7fc6a91f06c2c1f668b8d170cc113ef8e19ad2
[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" "222efa2b72ffee46874cda06ac7fc6a91f06c2c1f668b8d170cc113ef8e19ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "222efa2b72ffee46874cda06ac7fc6a91f06c2c1f668b8d170cc113ef8e19ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222efa2b72ffee46874cda06ac7fc6a91f06c2c1f668b8d170cc113ef8e19ad2", kill_on_drop: false }`
[INFO] [stdout] 222efa2b72ffee46874cda06ac7fc6a91f06c2c1f668b8d170cc113ef8e19ad2
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a6d96e718ba7c920e725d278d55b7db02c66d2c04580e99caa478816937efcb
[INFO] running `Command { std: "docker" "start" "-a" "6a6d96e718ba7c920e725d278d55b7db02c66d2c04580e99caa478816937efcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking seqalign v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking rand v0.4.6
[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 type 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 `std::marker::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" "6a6d96e718ba7c920e725d278d55b7db02c66d2c04580e99caa478816937efcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6d96e718ba7c920e725d278d55b7db02c66d2c04580e99caa478816937efcb", kill_on_drop: false }`
[INFO] [stdout] 6a6d96e718ba7c920e725d278d55b7db02c66d2c04580e99caa478816937efcb