[INFO] cloning repository https://github.com/dfhoughton/two-timer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfhoughton/two-timer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfhoughton%2Ftwo-timer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfhoughton%2Ftwo-timer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae58b2c4e2641ba78495a315098c78a5f72e247e
[INFO] checking dfhoughton/two-timer against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfhoughton%2Ftwo-timer" "/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/dfhoughton/two-timer on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dfhoughton/two-timer
[INFO] finished tweaking git repo https://github.com/dfhoughton/two-timer
[INFO] tweaked toml for git repo https://github.com/dfhoughton/two-timer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dfhoughton/two-timer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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 serde_regex v0.4.0
[INFO] [stderr]   Downloaded pidgin v0.4.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9849eeaa767ee7651b62b1962e1207b61fe6a4685175cc60124f320427e7171c
[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" "9849eeaa767ee7651b62b1962e1207b61fe6a4685175cc60124f320427e7171c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9849eeaa767ee7651b62b1962e1207b61fe6a4685175cc60124f320427e7171c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9849eeaa767ee7651b62b1962e1207b61fe6a4685175cc60124f320427e7171c", kill_on_drop: false }`
[INFO] [stdout] 9849eeaa767ee7651b62b1962e1207b61fe6a4685175cc60124f320427e7171c
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9bb82ae41cdebb3acefcba151ee24b0391831f0d73357a66d78bee449c8550
[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" "ca9bb82ae41cdebb3acefcba151ee24b0391831f0d73357a66d78bee449c8550", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_regex v0.4.0
[INFO] [stderr]     Checking pidgin v0.4.2
[INFO] [stderr]     Checking two_timer v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> tests/tests.rs:1833:37
[INFO] [stdout]      |
[INFO] [stdout] 1833 |                 _ => assert!(false, format!("unexpected error: {:?}", e)),
[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]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1833 |                 _ => assert!(false, "unexpected error: {:?}", e),
[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 56.74s
[INFO] running `Command { std: "docker" "inspect" "ca9bb82ae41cdebb3acefcba151ee24b0391831f0d73357a66d78bee449c8550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9bb82ae41cdebb3acefcba151ee24b0391831f0d73357a66d78bee449c8550", kill_on_drop: false }`
[INFO] [stdout] ca9bb82ae41cdebb3acefcba151ee24b0391831f0d73357a66d78bee449c8550