[INFO] fetching crate tester 0.9.0...
[INFO] checking tester-0.9.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate tester 0.9.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tester 0.9.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tester 0.9.0
[INFO] finished tweaking crates.io crate tester 0.9.0
[INFO] tweaked toml for crates.io crate tester 0.9.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8138405a76d2f384c98f977ddba4431339690fde9949d6100995edd48214ff
[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" "3b8138405a76d2f384c98f977ddba4431339690fde9949d6100995edd48214ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8138405a76d2f384c98f977ddba4431339690fde9949d6100995edd48214ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8138405a76d2f384c98f977ddba4431339690fde9949d6100995edd48214ff", kill_on_drop: false }`
[INFO] [stdout] 3b8138405a76d2f384c98f977ddba4431339690fde9949d6100995edd48214ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0016bc98dd2674a33ec8c5f45e061da31f2a6eec4089a7e070b111df2861e51
[INFO] running `Command { std: "docker" "start" "-a" "c0016bc98dd2674a33ec8c5f45e061da31f2a6eec4089a7e070b111df2861e51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking tester v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tests.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |         panic!(1i32);
[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] 202 |         panic!("{}", 1i32);
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 202 |         std::panic::panic_any(1i32);
[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 6.02s
[INFO] running `Command { std: "docker" "inspect" "c0016bc98dd2674a33ec8c5f45e061da31f2a6eec4089a7e070b111df2861e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0016bc98dd2674a33ec8c5f45e061da31f2a6eec4089a7e070b111df2861e51", kill_on_drop: false }`
[INFO] [stdout] c0016bc98dd2674a33ec8c5f45e061da31f2a6eec4089a7e070b111df2861e51