[INFO] cloning repository https://github.com/chroniclehq/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chroniclehq/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchroniclehq%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchroniclehq%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea384421d30479565851e2bad32d95c5e29451c1
[INFO] checking chroniclehq/huffman against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchroniclehq%2Fhuffman" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chroniclehq/huffman on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chroniclehq/huffman
[INFO] finished tweaking git repo https://github.com/chroniclehq/huffman
[INFO] tweaked toml for git repo https://github.com/chroniclehq/huffman written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chroniclehq/huffman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.8
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[INFO] [stderr]   Downloaded aws-smithy-http v0.45.0
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[INFO] [stderr]   Downloaded time v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e442ad43bd6f79fc6f251011c7e2d27352a30dee448cc61aee110e6e2f53f4
[INFO] running `Command { std: "docker" "start" "-a" "58e442ad43bd6f79fc6f251011c7e2d27352a30dee448cc61aee110e6e2f53f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e442ad43bd6f79fc6f251011c7e2d27352a30dee448cc61aee110e6e2f53f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e442ad43bd6f79fc6f251011c7e2d27352a30dee448cc61aee110e6e2f53f4", kill_on_drop: false }`
[INFO] [stdout] 58e442ad43bd6f79fc6f251011c7e2d27352a30dee448cc61aee110e6e2f53f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e8dc52d19ef4ac50f00444a59591b06b3c66eef327b7294838626feb21e4b6c
[INFO] running `Command { std: "docker" "start" "-a" "3e8dc52d19ef4ac50f00444a59591b06b3c66eef327b7294838626feb21e4b6c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling inlinable_string v0.1.15
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[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
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[INFO] [stderr]    Compiling native-tls v0.2.10
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[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling libvips v1.4.3
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[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.2
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[INFO] [stderr]     Checking enum-map v2.4.1
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[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.2
[INFO] [stderr]     Checking attohttpc v0.15.0
[INFO] [stderr]     Checking tokio-util v0.7.3
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[INFO] [stderr]     Checking tokio-rustls v0.22.0
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[INFO] [stderr]     Checking tokio-rustls v0.23.4
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[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ubyte v0.10.2
[INFO] [stderr]     Checking h2 v0.3.17
[INFO] [stderr]     Checking aws-smithy-http v0.45.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking aws-smithy-http-tower v0.45.0
[INFO] [stderr]     Checking aws-sigv4 v0.15.0
[INFO] [stderr]     Checking aws-smithy-client v0.45.0
[INFO] [stderr]     Checking datadog-logs v0.2.1
[INFO] [stderr]     Checking aws-endpoint v0.15.0
[INFO] [stderr]     Checking aws-sig-auth v0.15.0
[INFO] [stderr]     Checking aws-http v0.15.0
[INFO] [stderr]     Checking aws-sdk-sso v0.15.0
[INFO] [stderr]     Checking aws-sdk-sts v0.15.0
[INFO] [stderr]     Checking aws-sdk-sqs v0.15.0
[INFO] [stderr]     Checking aws-sdk-s3 v0.15.0
[INFO] [stderr]     Checking aws-config v0.15.0
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/services/events/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow;
[INFO] [stdout]   |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libvips` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libvips::{self, ops};
[INFO] [stdout]   |               ^^^^ the item `libvips` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/services/events/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow;
[INFO] [stdout]   |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libvips` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libvips::{self, ops};
[INFO] [stdout]   |               ^^^^ the item `libvips` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "3e8dc52d19ef4ac50f00444a59591b06b3c66eef327b7294838626feb21e4b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8dc52d19ef4ac50f00444a59591b06b3c66eef327b7294838626feb21e4b6c", kill_on_drop: false }`
[INFO] [stdout] 3e8dc52d19ef4ac50f00444a59591b06b3c66eef327b7294838626feb21e4b6c
[INFO] checking chroniclehq/huffman against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchroniclehq%2Fhuffman" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chroniclehq/huffman on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chroniclehq/huffman
[INFO] finished tweaking git repo https://github.com/chroniclehq/huffman
[INFO] tweaked toml for git repo https://github.com/chroniclehq/huffman written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chroniclehq/huffman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fe79a134d7ac8b26deab3cfbdcb6818d96272c82c4cfcef047e904d55756cf6
[INFO] running `Command { std: "docker" "start" "-a" "8fe79a134d7ac8b26deab3cfbdcb6818d96272c82c4cfcef047e904d55756cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe79a134d7ac8b26deab3cfbdcb6818d96272c82c4cfcef047e904d55756cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe79a134d7ac8b26deab3cfbdcb6818d96272c82c4cfcef047e904d55756cf6", kill_on_drop: false }`
[INFO] [stdout] 8fe79a134d7ac8b26deab3cfbdcb6818d96272c82c4cfcef047e904d55756cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 254a44f1417d70c49bd183405da01823e544cff3768216ddc0b6aefb6ff4440d
[INFO] running `Command { std: "docker" "start" "-a" "254a44f1417d70c49bd183405da01823e544cff3768216ddc0b6aefb6ff4440d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
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[INFO] [stderr]     Checking aws-sig-auth v0.15.0
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[INFO] [stderr]     Checking aws-sdk-s3 v0.15.0
[INFO] [stderr]     Checking aws-config v0.15.0
[INFO] [stderr]     Checking huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/services/events/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow;
[INFO] [stdout]   |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libvips` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libvips::{self, ops};
[INFO] [stdout]   |               ^^^^ the item `libvips` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/services/events/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `anyhow` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow;
[INFO] [stdout]   |     ^^^^^^ the item `anyhow` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libvips` is imported redundantly
[INFO] [stdout]  --> src/services/image/mod.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use libvips::{self, ops};
[INFO] [stdout]   |               ^^^^ the item `libvips` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "254a44f1417d70c49bd183405da01823e544cff3768216ddc0b6aefb6ff4440d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254a44f1417d70c49bd183405da01823e544cff3768216ddc0b6aefb6ff4440d", kill_on_drop: false }`
[INFO] [stdout] 254a44f1417d70c49bd183405da01823e544cff3768216ddc0b6aefb6ff4440d