[INFO] cloning repository https://github.com/mozilla/sccache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla/sccache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f318a8675e4c3de4f5e8ab2d086189f2ae5f5cf
[INFO] checking mozilla/sccache against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fsccache" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/sccache on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mozilla/sccache
[INFO] finished tweaking git repo https://github.com/mozilla/sccache
[INFO] tweaked toml for git repo https://github.com/mozilla/sccache written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/sccache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ar v0.8.0
[INFO] [stderr]   Downloaded counted-array v0.1.2
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded hyperx v0.12.0
[INFO] [stderr]   Downloaded derive-error v0.0.3
[INFO] [stderr]   Downloaded tokio-serde-bincode v0.1.1
[INFO] [stderr]   Downloaded conhash v0.4.0
[INFO] [stderr]   Downloaded memcached-rs v0.4.2
[INFO] [stderr]   Downloaded selenium-rs v0.1.2
[INFO] [stderr]   Downloaded tower-limit v0.1.3
[INFO] [stderr]   Downloaded tokio-serde v0.1.0
[INFO] [stderr]   Downloaded tower-buffer v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] f74974274e43b4bce4dc324dad1dcbc8a9278dc98c0ee4f60ce92ea36ce05d5d
[INFO] running `Command { std: "docker" "start" "-a" "f74974274e43b4bce4dc324dad1dcbc8a9278dc98c0ee4f60ce92ea36ce05d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f74974274e43b4bce4dc324dad1dcbc8a9278dc98c0ee4f60ce92ea36ce05d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74974274e43b4bce4dc324dad1dcbc8a9278dc98c0ee4f60ce92ea36ce05d5d", kill_on_drop: false }`
[INFO] [stdout] f74974274e43b4bce4dc324dad1dcbc8a9278dc98c0ee4f60ce92ea36ce05d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c81eb592239b892b0f31cc8009ebe9a2bdc0788f2c51c03d66009a71311c4a3
[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" "8c81eb592239b892b0f31cc8009ebe9a2bdc0788f2c51c03d66009a71311c4a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling syn v0.11.11
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
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[INFO] [stderr]     Checking sha2 v0.9.2
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[INFO] [stderr]     Checking env_logger v0.8.2
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[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking memcached-rs v0.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking retry v1.2.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling local-encoding v0.2.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
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[INFO] [stderr]     Checking assert_cmd v1.0.2
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[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyperx v0.12.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking which v4.0.2
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tower-buffer v0.1.2
[INFO] [stderr]     Checking tower-limit v0.1.3
[INFO] [stderr]     Checking tower v0.1.1
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking tokio-compat v0.1.6
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[INFO] [stderr]     Checking serde_urlencoded v0.5.5
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[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking tokio-serde-bincode v0.1.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking selenium-rs v0.1.2
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]     Checking sccache v0.2.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/compiler/rust.rs:1134:6
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> src/compiler/rust.rs:1134:6
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Err(e) => panic!(format!("Failed to initalize logging: {:?}", 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] 96 |             Err(e) => panic!("Failed to initalize logging: {:?}", e),
[INFO] [stdout]    |                             --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/cache/gcs.rs:593:36
[INFO] [stdout]     |
[INFO] [stdout] 593 |         .map_err(move |err| panic!(err.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] 593 |         .map_err(move |err| panic!("{}", err.to_string()));
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 593 |         .map_err(move |err| std::panic::panic_any(err.to_string()));
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |             Err(e) => panic!(format!("Failed to initalize logging: {:?}", e)),
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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] 96 |             Err(e) => panic!("Failed to initalize logging: {:?}", e),
[INFO] [stdout]    |                             --                                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 12s
[INFO] running `Command { std: "docker" "inspect" "8c81eb592239b892b0f31cc8009ebe9a2bdc0788f2c51c03d66009a71311c4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c81eb592239b892b0f31cc8009ebe9a2bdc0788f2c51c03d66009a71311c4a3", kill_on_drop: false }`
[INFO] [stdout] 8c81eb592239b892b0f31cc8009ebe9a2bdc0788f2c51c03d66009a71311c4a3