[INFO] cloning repository https://github.com/thoughtworks/candouble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thoughtworks/candouble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthoughtworks%2Fcandouble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthoughtworks%2Fcandouble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf582f104b4be7a93e65996d100cf26dd4d2b71c
[INFO] checking thoughtworks/candouble against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthoughtworks%2Fcandouble" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thoughtworks/candouble on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thoughtworks/candouble
[INFO] finished tweaking git repo https://github.com/thoughtworks/candouble
[INFO] tweaked toml for git repo https://github.com/thoughtworks/candouble written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/thoughtworks/candouble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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_json v1.0.30
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fc58d76586c7752a026013e566b2dffe2057250e1b62b9e7c0b1bb51c88767f
[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" "4fc58d76586c7752a026013e566b2dffe2057250e1b62b9e7c0b1bb51c88767f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fc58d76586c7752a026013e566b2dffe2057250e1b62b9e7c0b1bb51c88767f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc58d76586c7752a026013e566b2dffe2057250e1b62b9e7c0b1bb51c88767f", kill_on_drop: false }`
[INFO] [stdout] 4fc58d76586c7752a026013e566b2dffe2057250e1b62b9e7c0b1bb51c88767f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbf096d3720cf9edb72ebb429326d0877c8a5e05d507918c263e5c7107d3506
[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" "acbf096d3720cf9edb72ebb429326d0877c8a5e05d507918c263e5c7107d3506", kill_on_drop: false }`
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[INFO] [stderr]     Checking libc v0.2.43
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[INFO] [stderr]     Checking bincode v1.0.1
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[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
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[INFO] [stderr]    Compiling gotham_derive v0.3.0
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[INFO] [stderr]     Checking failure v0.1.3
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[INFO] [stderr]     Checking tokio v0.1.13
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[INFO] [stderr]    Compiling cargo_metadata v0.6.4
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/imposter.rs:63:72
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn run_with_adaptor(id: u32, mut list: ImposterList, adaptor: &mut CANAdaptor) {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/can/dummy.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Result<Box<CANAdaptor>, &'static str> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/can/mod.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn create_adaptor() -> Result<Box<CANAdaptor>, &'static str> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/imposter.rs:63:72
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn run_with_adaptor(id: u32, mut list: ImposterList, adaptor: &mut CANAdaptor) {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/can/dummy.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Result<Box<CANAdaptor>, &'static str> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/can/mod.rs:62:39
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn create_adaptor() -> Result<Box<CANAdaptor>, &'static str> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: use `dyn`: `dyn CANAdaptor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(f) => { panic!(f.to_string()) }
[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] 17 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(f) => { panic!(f.to_string()) }
[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] 17 |         Err(f) => { panic!("{}", f.to_string()) }
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Err(f) => { std::panic::panic_any(f.to_string()) }
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[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 [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "acbf096d3720cf9edb72ebb429326d0877c8a5e05d507918c263e5c7107d3506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbf096d3720cf9edb72ebb429326d0877c8a5e05d507918c263e5c7107d3506", kill_on_drop: false }`
[INFO] [stdout] acbf096d3720cf9edb72ebb429326d0877c8a5e05d507918c263e5c7107d3506