[INFO] fetching crate weave 0.3.0...
[INFO] checking weave-0.3.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate weave 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate weave 0.3.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weave 0.3.0
[INFO] finished tweaking crates.io crate weave 0.3.0
[INFO] tweaked toml for crates.io crate weave 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfdccc3ebb7230a28390808ff20b775f4f82e3bb089a5e8faec79846bbefec85
[INFO] running `Command { std: "docker" "start" "-a" "dfdccc3ebb7230a28390808ff20b775f4f82e3bb089a5e8faec79846bbefec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfdccc3ebb7230a28390808ff20b775f4f82e3bb089a5e8faec79846bbefec85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfdccc3ebb7230a28390808ff20b775f4f82e3bb089a5e8faec79846bbefec85", kill_on_drop: false }`
[INFO] [stdout] dfdccc3ebb7230a28390808ff20b775f4f82e3bb089a5e8faec79846bbefec85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500b2d8754d5c2098f880f0b4325449eadfe586c0209831b6eaa3cde18ec0f66
[INFO] running `Command { std: "docker" "start" "-a" "500b2d8754d5c2098f880f0b4325449eadfe586c0209831b6eaa3cde18ec0f66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking weave v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/sccs.rs:330:20
[INFO] [stdout]     |
[INFO] [stdout] 330 |             panic!(msg.to_string());
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 330 |             panic!("{}", msg.to_string());
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 330 |             std::panic::panic_any(msg.to_string());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.38s
[INFO] running `Command { std: "docker" "inspect" "500b2d8754d5c2098f880f0b4325449eadfe586c0209831b6eaa3cde18ec0f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500b2d8754d5c2098f880f0b4325449eadfe586c0209831b6eaa3cde18ec0f66", kill_on_drop: false }`
[INFO] [stdout] 500b2d8754d5c2098f880f0b4325449eadfe586c0209831b6eaa3cde18ec0f66