[INFO] cloning repository https://github.com/avranju/wally
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avranju/wally" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwally", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwally'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45d89e198656c175b73a6b1c4a7d92d5a21769ce
[INFO] checking avranju/wally against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favranju%2Fwally" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avranju/wally on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avranju/wally
[INFO] finished tweaking git repo https://github.com/avranju/wally
[INFO] tweaked toml for git repo https://github.com/avranju/wally written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/avranju/wally already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6abc9e8cbc86ddaaaf636c71e60f8ec2705e75d3cf47b921f0ab2c5ddd90550f
[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" "6abc9e8cbc86ddaaaf636c71e60f8ec2705e75d3cf47b921f0ab2c5ddd90550f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6abc9e8cbc86ddaaaf636c71e60f8ec2705e75d3cf47b921f0ab2c5ddd90550f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abc9e8cbc86ddaaaf636c71e60f8ec2705e75d3cf47b921f0ab2c5ddd90550f", kill_on_drop: false }`
[INFO] [stdout] 6abc9e8cbc86ddaaaf636c71e60f8ec2705e75d3cf47b921f0ab2c5ddd90550f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dfb68a9493327b6dfd86cc8b42a3a005cc1f9985d3d0a786f660ac4f38b8a24
[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" "0dfb68a9493327b6dfd86cc8b42a3a005cc1f9985d3d0a786f660ac4f38b8a24", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking crc32fast v1.1.2
[INFO] [stderr]     Checking encoding_rs v0.8.13
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]    Compiling openssl v0.10.16
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking hyper v0.12.19
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking wally v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |         panic!(response.error.unwrap());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 75 |         panic!("{}", response.error.unwrap());
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 75 |         std::panic::panic_any(response.error.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |         panic!(response.error.unwrap());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |         panic!("{}", response.error.unwrap());
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 89 |         std::panic::panic_any(response.error.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:75:16
[INFO] [stdout]    |
[INFO] [stdout] 75 |         panic!(response.error.unwrap());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 75 |         panic!("{}", response.error.unwrap());
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 75 |         std::panic::panic_any(response.error.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |         panic!(response.error.unwrap());
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |         panic!("{}", response.error.unwrap());
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 89 |         std::panic::panic_any(response.error.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "0dfb68a9493327b6dfd86cc8b42a3a005cc1f9985d3d0a786f660ac4f38b8a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfb68a9493327b6dfd86cc8b42a3a005cc1f9985d3d0a786f660ac4f38b8a24", kill_on_drop: false }`
[INFO] [stdout] 0dfb68a9493327b6dfd86cc8b42a3a005cc1f9985d3d0a786f660ac4f38b8a24