[INFO] fetching crate fselect 0.7.8...
[INFO] checking fselect-0.7.8 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate fselect 0.7.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fselect 0.7.8 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fselect 0.7.8
[INFO] finished tweaking crates.io crate fselect 0.7.8
[INFO] tweaked toml for crates.io crate fselect 0.7.8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate fselect 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imagesize v0.9.0
[INFO] [stderr]   Downloaded lscolors v0.8.1
[INFO] [stderr]   Downloaded matroska v0.7.0
[INFO] [stderr]   Downloaded fallible_collections v0.3.1
[INFO] [stderr]   Downloaded mp4parse v0.11.5
[INFO] [stderr]   Downloaded wana_kana v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72e618f0013fd74f4b6d4a77910aeda94a58a986013e2f1f41bcf9af440b50dd
[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" "72e618f0013fd74f4b6d4a77910aeda94a58a986013e2f1f41bcf9af440b50dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e618f0013fd74f4b6d4a77910aeda94a58a986013e2f1f41bcf9af440b50dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e618f0013fd74f4b6d4a77910aeda94a58a986013e2f1f41bcf9af440b50dd", kill_on_drop: false }`
[INFO] [stdout] 72e618f0013fd74f4b6d4a77910aeda94a58a986013e2f1f41bcf9af440b50dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8324346d86c4d96ae242adcf273e11084110a6341673d234774c2006001de2
[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" "1c8324346d86c4d96ae242adcf273e11084110a6341673d234774c2006001de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking scanlex v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitstream-io v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking mp3-metadata v0.3.3
[INFO] [stderr]     Checking imagesize v0.9.0
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking kamadak-exif v0.5.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking lscolors v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_json v1.0.71
[INFO] [stderr]     Checking fallible_collections v0.3.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking wana_kana v2.0.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mp4parse v0.11.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono-english v0.1.6
[INFO] [stderr]     Checking tree_magic v0.2.3
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking matroska v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking fselect v0.7.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `empty`
[INFO] [stdout]   --> src/function.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     empty: bool,
[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: field is never read: `empty`
[INFO] [stdout]   --> src/function.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     empty: bool,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "1c8324346d86c4d96ae242adcf273e11084110a6341673d234774c2006001de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8324346d86c4d96ae242adcf273e11084110a6341673d234774c2006001de2", kill_on_drop: false }`
[INFO] [stdout] 1c8324346d86c4d96ae242adcf273e11084110a6341673d234774c2006001de2