[INFO] cloning repository https://github.com/Arnauld/jwtd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arnauld/jwtd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnauld%2Fjwtd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnauld%2Fjwtd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 045281c21fc991cbcaf317d9ab3f499709c49673
[INFO] checking Arnauld/jwtd against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnauld%2Fjwtd" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arnauld/jwtd 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/Arnauld/jwtd
[INFO] finished tweaking git repo https://github.com/Arnauld/jwtd
[INFO] tweaked toml for git repo https://github.com/Arnauld/jwtd written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnauld/jwtd 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]  Downloading crates ...
[INFO] [stderr]   Downloaded const-oid v0.9.2
[INFO] [stderr]   Downloaded bcrypt v0.14.0
[INFO] [stderr]   Downloaded ctor v0.2.2
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 747d5fd1fd72865a76887866900f6e4ef6ea2f69f620c282acd0ed3062407d83
[INFO] running `Command { std: "docker" "start" "-a" "747d5fd1fd72865a76887866900f6e4ef6ea2f69f620c282acd0ed3062407d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747d5fd1fd72865a76887866900f6e4ef6ea2f69f620c282acd0ed3062407d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747d5fd1fd72865a76887866900f6e4ef6ea2f69f620c282acd0ed3062407d83", kill_on_drop: false }`
[INFO] [stdout] 747d5fd1fd72865a76887866900f6e4ef6ea2f69f620c282acd0ed3062407d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 78e0e904931e5009275d6922b6972727908e820c5d9689229278eb6476aec2b5
[INFO] running `Command { std: "docker" "start" "-a" "78e0e904931e5009275d6922b6972727908e820c5d9689229278eb6476aec2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking blowfish v0.9.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking bcrypt v0.14.0
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking multer v2.1.0
[INFO] [stderr]     Checking rsa v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling ctor v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking simple_asn1 v0.6.2
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking jsonwebtoken v8.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking jwtd v0.5.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.58s
[INFO] running `Command { std: "docker" "inspect" "78e0e904931e5009275d6922b6972727908e820c5d9689229278eb6476aec2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0e904931e5009275d6922b6972727908e820c5d9689229278eb6476aec2b5", kill_on_drop: false }`
[INFO] [stdout] 78e0e904931e5009275d6922b6972727908e820c5d9689229278eb6476aec2b5
[INFO] checking Arnauld/jwtd against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnauld%2Fjwtd" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arnauld/jwtd 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/Arnauld/jwtd
[INFO] finished tweaking git repo https://github.com/Arnauld/jwtd
[INFO] tweaked toml for git repo https://github.com/Arnauld/jwtd written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnauld/jwtd 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 42ae5b1ec6fc5ae1dd282c90ea261c5aba96b8b346403559ce972cfe17802e58
[INFO] running `Command { std: "docker" "start" "-a" "42ae5b1ec6fc5ae1dd282c90ea261c5aba96b8b346403559ce972cfe17802e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ae5b1ec6fc5ae1dd282c90ea261c5aba96b8b346403559ce972cfe17802e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ae5b1ec6fc5ae1dd282c90ea261c5aba96b8b346403559ce972cfe17802e58", kill_on_drop: false }`
[INFO] [stdout] 42ae5b1ec6fc5ae1dd282c90ea261c5aba96b8b346403559ce972cfe17802e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bfda39c96eeaef2b2b09e0bf7f14bb91577205ecb72cdbb321621519e33f4c97
[INFO] running `Command { std: "docker" "start" "-a" "bfda39c96eeaef2b2b09e0bf7f14bb91577205ecb72cdbb321621519e33f4c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking pem-rfc7468 v0.6.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.3
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking signature v2.1.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking pem v1.1.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking blowfish v0.9.1
[INFO] [stderr]     Checking bcrypt v0.14.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.8
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking pkcs1 v0.4.1
[INFO] [stderr]     Checking time v0.3.22
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking multer v2.1.0
[INFO] [stderr]     Checking rsa v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]    Compiling ctor v0.2.2
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking tungstenite v0.18.0
[INFO] [stderr]     Checking simple_asn1 v0.6.2
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-tungstenite v0.18.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking jsonwebtoken v8.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.5
[INFO] [stderr]     Checking jwtd v0.5.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.33s
[INFO] running `Command { std: "docker" "inspect" "bfda39c96eeaef2b2b09e0bf7f14bb91577205ecb72cdbb321621519e33f4c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfda39c96eeaef2b2b09e0bf7f14bb91577205ecb72cdbb321621519e33f4c97", kill_on_drop: false }`
[INFO] [stdout] bfda39c96eeaef2b2b09e0bf7f14bb91577205ecb72cdbb321621519e33f4c97