[INFO] cloning repository https://github.com/drtconway/mazab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drtconway/mazab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtconway%2Fmazab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtconway%2Fmazab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d2ec5ef9a1eae0e1754da68fe66116a0309979c
[INFO] checking drtconway/mazab against master#7c4ac0603e9ee5295bc802c90575391288a69a8a for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtconway%2Fmazab" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drtconway/mazab on toolchain 7c4ac0603e9ee5295bc802c90575391288a69a8a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drtconway/mazab
[INFO] finished tweaking git repo https://github.com/drtconway/mazab
[INFO] tweaked toml for git repo https://github.com/drtconway/mazab written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/drtconway/mazab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7c4ac0603e9ee5295bc802c90575391288a69a8a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking drtconway/mazab against try#98ebbae35138252af77610c20ea5a5e8bf68d639 for pr-124728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtconway%2Fmazab" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drtconway/mazab on toolchain 98ebbae35138252af77610c20ea5a5e8bf68d639
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drtconway/mazab
[INFO] finished tweaking git repo https://github.com/drtconway/mazab
[INFO] tweaked toml for git repo https://github.com/drtconway/mazab written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/drtconway/mazab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noodles-csi v0.24.0
[INFO] [stderr]   Downloaded noodles-bgzf v0.24.0
[INFO] [stderr]   Downloaded noodles v0.50.0
[INFO] [stderr]   Downloaded noodles-core v0.12.0
[INFO] [stderr]   Downloaded noodles-fastq v0.8.0
[INFO] [stderr]   Downloaded noodles-gtf v0.16.0
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded core_affinity v0.8.1
[INFO] [stderr]   Downloaded libdeflater v0.12.0
[INFO] [stderr]   Downloaded noodles-bed v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.185
[INFO] [stderr]   Downloaded portable-atomic v1.4.2
[INFO] [stderr]   Downloaded libdeflate-sys v0.12.0
[INFO] [stderr]   Downloaded serde v1.0.185
[INFO] [stderr]   Downloaded noodles-bam v0.44.0
[INFO] [stderr]   Downloaded noodles-sam v0.41.0
[INFO] [stderr]   Downloaded gzp v0.11.3
[INFO] [stderr]   Downloaded libz-ng-sys v1.1.12
[INFO] [stderr]   Downloaded coroutines v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f3ef40c7c2b706033cf3ad8bfb85fdce90f291e92bb733ef8b7e4d49df7520
[INFO] running `Command { std: "docker" "start" "-a" "84f3ef40c7c2b706033cf3ad8bfb85fdce90f291e92bb733ef8b7e4d49df7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f3ef40c7c2b706033cf3ad8bfb85fdce90f291e92bb733ef8b7e4d49df7520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f3ef40c7c2b706033cf3ad8bfb85fdce90f291e92bb733ef8b7e4d49df7520", kill_on_drop: false }`
[INFO] [stdout] 84f3ef40c7c2b706033cf3ad8bfb85fdce90f291e92bb733ef8b7e4d49df7520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+98ebbae35138252af77610c20ea5a5e8bf68d639" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa539ba247ef428956e44293c22eb115ee551c130072aca8f282773459d01d31
[INFO] running `Command { std: "docker" "start" "-a" "fa539ba247ef428956e44293c22eb115ee551c130072aca8f282773459d01d31", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking noodles-core v0.12.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking typenum v1.16.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling libdeflate-sys v0.12.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling portable-atomic v1.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking noodles-bed v0.10.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking core_affinity v0.8.1
[INFO] [stderr]     Checking noodles-fastq v0.8.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling libz-ng-sys v1.1.12
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking coroutines v0.2.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]     Checking indicatif v0.17.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking libdeflater v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling serde_derive v1.0.185
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking thiserror v1.0.47
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking noodles-bgzf v0.24.0
[INFO] [stderr]     Checking gzp v0.11.3
[INFO] [stderr]     Checking noodles-csi v0.24.0
[INFO] [stderr]     Checking noodles-sam v0.41.0
[INFO] [stderr]     Checking noodles-gtf v0.16.0
[INFO] [stderr]     Checking noodles-bam v0.44.0
[INFO] [stderr]     Checking noodles v0.50.0
[INFO] [stderr]     Checking mazab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/block_writer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DataBlock {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/block_writer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct DataBlock {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 11 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.84s
[INFO] running `Command { std: "docker" "inspect" "fa539ba247ef428956e44293c22eb115ee551c130072aca8f282773459d01d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa539ba247ef428956e44293c22eb115ee551c130072aca8f282773459d01d31", kill_on_drop: false }`
[INFO] [stdout] fa539ba247ef428956e44293c22eb115ee551c130072aca8f282773459d01d31