[INFO] fetching crate absolution 0.1.1...
[INFO] testing absolution-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate absolution 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate absolution 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate absolution 0.1.1
[INFO] finished tweaking crates.io crate absolution 0.1.1
[INFO] tweaked toml for crates.io crate absolution 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35d0390010e1c5aa244cdaa21a575432fc5c6fdc1152a4f26ab7560bc3f0126
[INFO] running `Command { std: "docker" "start" "-a" "b35d0390010e1c5aa244cdaa21a575432fc5c6fdc1152a4f26ab7560bc3f0126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35d0390010e1c5aa244cdaa21a575432fc5c6fdc1152a4f26ab7560bc3f0126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35d0390010e1c5aa244cdaa21a575432fc5c6fdc1152a4f26ab7560bc3f0126", kill_on_drop: false }`
[INFO] [stdout] b35d0390010e1c5aa244cdaa21a575432fc5c6fdc1152a4f26ab7560bc3f0126
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4248d7b92aca6cc70c6a80c459e2c8a92973f3991f60faf9d4ce6fb9f178df60
[INFO] running `Command { std: "docker" "start" "-a" "4248d7b92aca6cc70c6a80c459e2c8a92973f3991f60faf9d4ce6fb9f178df60", kill_on_drop: false }`
[INFO] [stderr]    Compiling absolution v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/literal.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("expected {{ after \\u");
[INFO] [stdout]     |                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("{}", "expected {{ after \\u");
[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 1.08s
[INFO] running `Command { std: "docker" "inspect" "4248d7b92aca6cc70c6a80c459e2c8a92973f3991f60faf9d4ce6fb9f178df60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4248d7b92aca6cc70c6a80c459e2c8a92973f3991f60faf9d4ce6fb9f178df60", kill_on_drop: false }`
[INFO] [stdout] 4248d7b92aca6cc70c6a80c459e2c8a92973f3991f60faf9d4ce6fb9f178df60
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d68c681f01e5b46be1539bd5072c8a2f6b959f8f36694731d72815f7783d60
[INFO] running `Command { std: "docker" "start" "-a" "28d68c681f01e5b46be1539bd5072c8a2f6b959f8f36694731d72815f7783d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling absolution v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/literal.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("expected {{ after \\u");
[INFO] [stdout]     |                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("{}", "expected {{ after \\u");
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/literal.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("expected {{ after \\u");
[INFO] [stdout]     |                          ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 525 |         panic!("{}", "expected {{ after \\u");
[INFO] [stdout]     |                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "28d68c681f01e5b46be1539bd5072c8a2f6b959f8f36694731d72815f7783d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d68c681f01e5b46be1539bd5072c8a2f6b959f8f36694731d72815f7783d60", kill_on_drop: false }`
[INFO] [stdout] 28d68c681f01e5b46be1539bd5072c8a2f6b959f8f36694731d72815f7783d60
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b223a82d102212799c6d83dc4b7f06f77b7a220f5010aa398620569774a5d84
[INFO] running `Command { std: "docker" "start" "-a" "6b223a82d102212799c6d83dc4b7f06f77b7a220f5010aa398620569774a5d84", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains braces
[INFO] [stderr]    --> src/literal.rs:525:26
[INFO] [stderr]     |
[INFO] [stderr] 525 |         panic!("expected {{ after \\u");
[INFO] [stderr]     |                          ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stderr] help: add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 525 |         panic!("{}", "expected {{ after \\u");
[INFO] [stderr]     |                +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `absolution` (lib) generated 1 warning
[INFO] [stderr] warning: `absolution` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/absolution-1b356d9ff1778c2e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/roundtrip.rs (/opt/rustwide/target/debug/deps/roundtrip-5542a6b5824422da)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test roundtrip_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests absolution
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b223a82d102212799c6d83dc4b7f06f77b7a220f5010aa398620569774a5d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b223a82d102212799c6d83dc4b7f06f77b7a220f5010aa398620569774a5d84", kill_on_drop: false }`
[INFO] [stdout] 6b223a82d102212799c6d83dc4b7f06f77b7a220f5010aa398620569774a5d84