[INFO] cloning repository https://github.com/thud/caffeine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thud/caffeine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthud%2Fcaffeine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthud%2Fcaffeine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1489bcdf7168fb93521a2b5bf0595eb087f65405
[INFO] checking thud/caffeine against master#f1ce0e6a00593493a12e0e3662119786c761f375 for pr-92413
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthud%2Fcaffeine" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thud/caffeine on toolchain f1ce0e6a00593493a12e0e3662119786c761f375
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thud/caffeine
[INFO] finished tweaking git repo https://github.com/thud/caffeine
[INFO] tweaked toml for git repo https://github.com/thud/caffeine written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/thud/caffeine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78bb375e948d2542c6b88c1882e5299652aee07f250f45962461009ceed3f085
[INFO] running `Command { std: "docker" "start" "-a" "78bb375e948d2542c6b88c1882e5299652aee07f250f45962461009ceed3f085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78bb375e948d2542c6b88c1882e5299652aee07f250f45962461009ceed3f085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bb375e948d2542c6b88c1882e5299652aee07f250f45962461009ceed3f085", kill_on_drop: false }`
[INFO] [stdout] 78bb375e948d2542c6b88c1882e5299652aee07f250f45962461009ceed3f085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea69b7888098e9f4e3b3f5b048fd7a1de83660e95f8263ad92a587c5208415d
[INFO] running `Command { std: "docker" "start" "-a" "1ea69b7888098e9f4e3b3f5b048fd7a1de83660e95f8263ad92a587c5208415d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bytes v1.0.1
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[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking mac v0.1.1
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[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling typenum v1.13.0
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[INFO] [stderr]    Compiling strsim v0.7.0
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[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking rustc-demangle v0.1.18
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[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
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[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-util v0.3.13
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[INFO] [stderr]    Compiling generic-array v0.14.4
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[INFO] [stderr]    Compiling unicase v1.4.2
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
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[INFO] [stderr]    Compiling phf_codegen v0.8.0
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[INFO] [stderr]    Compiling darling_core v0.9.0
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[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling html5ever v0.25.1
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[INFO] [stderr]     Checking pin-project v1.0.5
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[INFO] [stderr]    Compiling darling v0.9.0
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[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking string_cache v0.8.1
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[INFO] [stderr]     Checking headless_chrome v0.9.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
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[INFO] [stderr]     Checking codeforces-api v0.3.4
[INFO] [stderr]     Checking caffeine-cf v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "1ea69b7888098e9f4e3b3f5b048fd7a1de83660e95f8263ad92a587c5208415d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea69b7888098e9f4e3b3f5b048fd7a1de83660e95f8263ad92a587c5208415d", kill_on_drop: false }`
[INFO] [stdout] 1ea69b7888098e9f4e3b3f5b048fd7a1de83660e95f8263ad92a587c5208415d