[INFO] cloning repository https://github.com/eclarke/qgramr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eclarke/qgramr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fqgramr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fqgramr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 797461dce20a90970f9abcc23ec87e72339b200c
[INFO] testing eclarke/qgramr against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feclarke%2Fqgramr" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eclarke/qgramr on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eclarke/qgramr
[INFO] finished tweaking git repo https://github.com/eclarke/qgramr
[INFO] tweaked toml for git repo https://github.com/eclarke/qgramr written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/eclarke/qgramr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83e20aec61918690016638ab215ee69f1d982b5ba91a246c780f63855c8beba
[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" "e83e20aec61918690016638ab215ee69f1d982b5ba91a246c780f63855c8beba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83e20aec61918690016638ab215ee69f1d982b5ba91a246c780f63855c8beba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83e20aec61918690016638ab215ee69f1d982b5ba91a246c780f63855c8beba", kill_on_drop: false }`
[INFO] [stdout] e83e20aec61918690016638ab215ee69f1d982b5ba91a246c780f63855c8beba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a3865d9dc3f0bfe0e7551a08699ef804953bd69dea95d73eedbb93a3985a63
[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" "88a3865d9dc3f0bfe0e7551a08699ef804953bd69dea95d73eedbb93a3985a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling bio v0.32.0
[INFO] [stderr]    Compiling triple_accel v0.3.4
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling statrs v0.12.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling getset v0.0.9
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling bio-types v0.7.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling qgramr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `read` found for struct `bio::io::fasta::Reader<File>` in the current scope
[INFO] [stdout]  --> src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     reader.read(&mut rec).ok().expect("Error reading record");
[INFO] [stdout]   |            ^^^^ method not found in `bio::io::fasta::Reader<File>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bio::io::fasta::FastaRead;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect` found for reference `&str` in the current scope
[INFO] [stdout]   --> src/main.rs:15:52
[INFO] [stdout]    |
[INFO] [stdout] 15 |     println!("Building index over {}...", rec.id().expect("<NA>"));
[INFO] [stdout]    |                                                    ^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qgramr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "88a3865d9dc3f0bfe0e7551a08699ef804953bd69dea95d73eedbb93a3985a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a3865d9dc3f0bfe0e7551a08699ef804953bd69dea95d73eedbb93a3985a63", kill_on_drop: false }`
[INFO] [stdout] 88a3865d9dc3f0bfe0e7551a08699ef804953bd69dea95d73eedbb93a3985a63