[INFO] cloning repository https://github.com/SCOTPAUL/email_to_image
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SCOTPAUL/email_to_image" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCOTPAUL%2Femail_to_image", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCOTPAUL%2Femail_to_image'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edd56e3ccd3ec8e29cd98a7a7acb086ef86bba0d
[INFO] checking SCOTPAUL/email_to_image against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCOTPAUL%2Femail_to_image" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SCOTPAUL/email_to_image 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/SCOTPAUL/email_to_image
[INFO] finished tweaking git repo https://github.com/SCOTPAUL/email_to_image
[INFO] tweaked toml for git repo https://github.com/SCOTPAUL/email_to_image written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SCOTPAUL/email_to_image 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
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2ba526d43d738e9812829ddbf45368187737d2a648f450851c15c115bf4c6317
[INFO] running `Command { std: "docker" "start" "-a" "2ba526d43d738e9812829ddbf45368187737d2a648f450851c15c115bf4c6317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ba526d43d738e9812829ddbf45368187737d2a648f450851c15c115bf4c6317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba526d43d738e9812829ddbf45368187737d2a648f450851c15c115bf4c6317", kill_on_drop: false }`
[INFO] [stdout] 2ba526d43d738e9812829ddbf45368187737d2a648f450851c15c115bf4c6317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b9f0d34e63a5f8f6d773699e5b38a816b7e52391fe065b265a648725db10e695
[INFO] running `Command { std: "docker" "start" "-a" "b9f0d34e63a5f8f6d773699e5b38a816b7e52391fe065b265a648725db10e695", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking memchr v1.0.1
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[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]     Checking conv v0.3.3
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[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking podio v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking strsim v0.6.0
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[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking approx v0.3.2
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[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking hyper v0.11.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking imageproc v0.19.2
[INFO] [stderr]     Checking email_to_image v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{Future, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `Future` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `err` is imported redundantly
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `err` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use futures::future::err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{Future, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `Future` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `err` is imported redundantly
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `err` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use futures::future::err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:186:44
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => println!("{}", e.description()),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:186:44
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => println!("{}", e.description()),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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 18.76s
[INFO] running `Command { std: "docker" "inspect" "b9f0d34e63a5f8f6d773699e5b38a816b7e52391fe065b265a648725db10e695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f0d34e63a5f8f6d773699e5b38a816b7e52391fe065b265a648725db10e695", kill_on_drop: false }`
[INFO] [stdout] b9f0d34e63a5f8f6d773699e5b38a816b7e52391fe065b265a648725db10e695
[INFO] checking SCOTPAUL/email_to_image against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSCOTPAUL%2Femail_to_image" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SCOTPAUL/email_to_image on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SCOTPAUL/email_to_image
[INFO] finished tweaking git repo https://github.com/SCOTPAUL/email_to_image
[INFO] tweaked toml for git repo https://github.com/SCOTPAUL/email_to_image written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SCOTPAUL/email_to_image 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b968a33f29dc5eab3157e67275e6f833cb46365c791f256a11ee037c88e3ba0a
[INFO] running `Command { std: "docker" "start" "-a" "b968a33f29dc5eab3157e67275e6f833cb46365c791f256a11ee037c88e3ba0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b968a33f29dc5eab3157e67275e6f833cb46365c791f256a11ee037c88e3ba0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b968a33f29dc5eab3157e67275e6f833cb46365c791f256a11ee037c88e3ba0a", kill_on_drop: false }`
[INFO] [stdout] b968a33f29dc5eab3157e67275e6f833cb46365c791f256a11ee037c88e3ba0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b97897d7844f025eaa3410b327125be5205e455276c7f163817003d589905dca
[INFO] running `Command { std: "docker" "start" "-a" "b97897d7844f025eaa3410b327125be5205e455276c7f163817003d589905dca", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{Future, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `Future` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `err` is imported redundantly
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `err` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use futures::future::err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Future` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use futures::{Future, Stream};
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `Future` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `err` is imported redundantly
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::future::*;
[INFO] [stdout]    |     ------------------ the item `err` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 | use futures::future::err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:186:44
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => println!("{}", e.description()),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:186:44
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => println!("{}", e.description()),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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 23.65s
[INFO] running `Command { std: "docker" "inspect" "b97897d7844f025eaa3410b327125be5205e455276c7f163817003d589905dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b97897d7844f025eaa3410b327125be5205e455276c7f163817003d589905dca", kill_on_drop: false }`
[INFO] [stdout] b97897d7844f025eaa3410b327125be5205e455276c7f163817003d589905dca