[INFO] fetching crate kanils 1.2.0...
[INFO] building kanils-1.2.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate kanils 1.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kanils 1.2.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kanils 1.2.0
[INFO] finished tweaking crates.io crate kanils 1.2.0
[INFO] tweaked toml for crates.io crate kanils 1.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate kanils 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded number_prefix v0.2.8
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded fibers v0.1.13
[INFO] [stderr]   Downloaded nbchan v0.1.3
[INFO] [stderr]   Downloaded splay_tree v0.2.10
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded cannyls v0.10.0
[INFO] [stderr]   Downloaded atomic_immut v0.1.4
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded prometrics v0.1.13
[INFO] [stderr]   Downloaded slog v2.5.2
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded console v0.12.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded rustyline v5.0.6
[INFO] [stderr]   Downloaded clap v2.33.2
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5965cf6f6b1239334c75173b1e331ec47b774968ec914d5ee7289f2d5445bbb3
[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" "5965cf6f6b1239334c75173b1e331ec47b774968ec914d5ee7289f2d5445bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5965cf6f6b1239334c75173b1e331ec47b774968ec914d5ee7289f2d5445bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5965cf6f6b1239334c75173b1e331ec47b774968ec914d5ee7289f2d5445bbb3", kill_on_drop: false }`
[INFO] [stdout] 5965cf6f6b1239334c75173b1e331ec47b774968ec914d5ee7289f2d5445bbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b95999ba3eb8639f0303e89b98fea54fd9d3bc4b89705f47e20440565b2e7c48
[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" "b95999ba3eb8639f0303e89b98fea54fd9d3bc4b89705f47e20440565b2e7c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.13
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling console v0.12.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling prometrics v0.1.13
[INFO] [stderr]    Compiling cannyls v0.10.0
[INFO] [stderr]    Compiling kanils v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.55s
[INFO] running `Command { std: "docker" "inspect" "b95999ba3eb8639f0303e89b98fea54fd9d3bc4b89705f47e20440565b2e7c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95999ba3eb8639f0303e89b98fea54fd9d3bc4b89705f47e20440565b2e7c48", kill_on_drop: false }`
[INFO] [stdout] b95999ba3eb8639f0303e89b98fea54fd9d3bc4b89705f47e20440565b2e7c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed87339dcfed6a530ff84525b5b08ec19a7cc727c82bfbf32789f152bf41fe4
[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" "0ed87339dcfed6a530ff84525b5b08ec19a7cc727c82bfbf32789f152bf41fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling kanils v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/handle.rs:326:40
[INFO] [stdout]     |
[INFO] [stdout] 326 |         assert!(handle.delete_key(0)?, true);
[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] 326 |         assert!(handle.delete_key(0)?, "{}", true);
[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 9.90s
[INFO] running `Command { std: "docker" "inspect" "0ed87339dcfed6a530ff84525b5b08ec19a7cc727c82bfbf32789f152bf41fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed87339dcfed6a530ff84525b5b08ec19a7cc727c82bfbf32789f152bf41fe4", kill_on_drop: false }`
[INFO] [stdout] 0ed87339dcfed6a530ff84525b5b08ec19a7cc727c82bfbf32789f152bf41fe4
